diff --git a/16/1.py b/16/1.py
new file mode 100644
index 0000000..8b647d1
--- /dev/null
+++ b/16/1.py
@@ -0,0 +1,53 @@
+with open("input") as f:
+    content = [x.strip() for x in f]
+
+def parse_rule(rule):
+    name, rest = rule.split(": ")
+    rule1, rule2 = rest.split(" or ")
+    rules = []
+    for i in rule1, rule2:
+        mi, ma = i.split("-")
+        rules.append((int(mi), int(ma)))
+
+    return name, rules
+
+def validate_rule(rule, value):
+    validates = False
+    for r in rule:
+        mi, ma = r
+        if value >= mi and value <= ma:
+            validates = True
+    return validates
+
+part = 0
+rules = {}
+othertickets = []
+myticket = []
+for c in content:
+    if not c:
+        part += 1
+        continue
+    if part == 0: # parsing rules
+        name, rule = parse_rule(c)
+        rules[name] = rule
+    if part == 1: # parsing your ticket
+        if c.startswith("your ticket"):
+            continue
+        myticket = [int(x) for x in c.split(",")]
+    if part == 2: # parsing other tickets
+        if c.startswith("nearby tickets"):
+            continue
+        othertickets.append([int(x) for x in c.split(",")])
+
+total = 0
+for ticket in othertickets:
+    for value in ticket:
+        validates = False
+        for __, rule in rules.items():
+            if validate_rule(rule, value):
+                validates = True
+                break
+        if not validates:
+            total += value
+
+print(total)
diff --git a/16/2.py b/16/2.py
new file mode 100644
index 0000000..c8a3057
--- /dev/null
+++ b/16/2.py
@@ -0,0 +1,93 @@
+from collections import OrderedDict
+
+with open("input") as f:
+    content = [x.strip() for x in f]
+
+def parse_rule(rule):
+    name, rest = rule.split(": ")
+    rule1, rule2 = rest.split(" or ")
+    rules = []
+    for i in rule1, rule2:
+        mi, ma = i.split("-")
+        rules.append((int(mi), int(ma)))
+
+    return name, rules
+
+def validate_rule(rule, value):
+    validates = False
+    for r in rule:
+        mi, ma = r
+        if value >= mi and value <= ma:
+            validates = True
+    return validates
+
+
+def validate_ticket(rules, ticket):
+    for value in ticket:
+        validates = False
+        for __, rule in rules.items():
+            if validate_rule(rule, value):
+                validates = True
+                break
+        if not validates:
+            return False
+
+    return True
+
+part = 0
+rules = OrderedDict()
+othertickets = []
+myticket = []
+for c in content:
+    if not c:
+        part += 1
+        continue
+    if part == 0: # parsing rules
+        name, rule = parse_rule(c)
+        rules[name] = rule
+    if part == 1: # parsing your ticket
+        if c.startswith("your ticket"):
+            continue
+        myticket = [int(x) for x in c.split(",")]
+    if part == 2: # parsing other tickets
+        if c.startswith("nearby tickets"):
+            continue
+        othertickets.append([int(x) for x in c.split(",")])
+
+newtickets = []
+newtickets.append(myticket)
+for ticket in othertickets:
+    if validate_ticket(rules, ticket):
+        newtickets.append(ticket)
+
+possible_mappings = OrderedDict()
+for field in range(0, len(myticket)):
+    for rulename, rule in rules.items():
+        validates = True
+        for ticket in newtickets:
+            if not validate_rule(rule, ticket[field]):
+                validates = False
+        if validates:
+            if rulename not in possible_mappings:
+                possible_mappings[rulename] = []
+            possible_mappings[rulename].append(field)
+
+mappings_lengths = [len(x) for __, x in possible_mappings.items()]
+mappings_names = list(possible_mappings.keys())
+
+final_mapping = OrderedDict()
+already_assigned = []
+for length in sorted(mappings_lengths):
+    mapping_index = mappings_lengths.index(length)
+    rule_name = mappings_names[mapping_index]
+    pos_maps = possible_mappings[rule_name]
+    definitive_maps = list(filter(lambda x: x not in already_assigned, pos_maps))
+    already_assigned.extend(definitive_maps)
+    final_mapping[rule_name] = definitive_maps[0]
+    
+total = 1
+for rulename, fieldno in final_mapping.items():
+    if rulename.startswith("departure"):
+        total *= myticket[fieldno]
+
+print(total)
diff --git a/16/einput b/16/einput
new file mode 100644
index 0000000..fe34e40
--- /dev/null
+++ b/16/einput
@@ -0,0 +1,12 @@
+class: 1-3 or 5-7
+row: 6-11 or 33-44
+seat: 13-40 or 45-50
+
+your ticket:
+7,1,14
+
+nearby tickets:
+7,3,47
+40,4,50
+55,2,20
+38,6,12
diff --git a/16/einput2 b/16/einput2
new file mode 100644
index 0000000..b48bf37
--- /dev/null
+++ b/16/einput2
@@ -0,0 +1,11 @@
+class: 0-1 or 4-19
+row: 0-5 or 8-19
+seat: 0-13 or 16-19
+
+your ticket:
+11,12,13
+
+nearby tickets:
+3,9,18
+15,1,5
+5,14,9
diff --git a/16/input b/16/input
new file mode 100644
index 0000000..2b3e193
--- /dev/null
+++ b/16/input
@@ -0,0 +1,268 @@
+departure location: 45-309 or 320-962
+departure station: 27-873 or 895-952
+departure platform: 45-675 or 687-962
+departure track: 42-142 or 164-962
+departure date: 38-433 or 447-963
+departure time: 39-703 or 709-952
+arrival location: 34-362 or 383-963
+arrival station: 26-921 or 934-954
+arrival platform: 38-456 or 480-968
+arrival track: 42-295 or 310-956
+class: 29-544 or 550-950
+duration: 44-725 or 749-963
+price: 37-494 or 509-957
+route: 25-170 or 179-966
+row: 32-789 or 795-955
+seat: 29-98 or 122-967
+train: 45-403 or 418-956
+type: 36-81 or 92-959
+wagon: 25-686 or 692-955
+zone: 37-338 or 353-960
+
+your ticket:
+79,193,53,97,137,179,131,73,191,139,197,181,67,71,211,199,167,61,59,127
+
+nearby tickets:
+520,360,862,762,851,550,896,507,812,510,896,936,653,629,287,481,718,840,489,850
+12,605,204,396,449,357,661,766,765,903,170,491,215,597,698,356,66,941,362,749
+132,482,797,522,855,664,904,515,799,329,78,802,909,214,637,175,555,431,825,944
+220,872,817,630,642,270,767,211,534,203,674,250,899,808,450,273,834,648,690,836
+486,69,439,60,841,723,229,672,283,184,872,357,907,196,214,512,238,57,214,338
+286,586,355,487,785,271,209,739,538,700,755,870,400,565,216,822,242,523,418,628
+359,771,137,72,276,722,259,618,342,565,140,694,74,447,819,639,237,565,668,808
+757,766,846,555,847,99,899,520,864,224,560,213,839,574,322,651,944,486,805,328
+511,516,537,665,946,124,490,166,68,280,401,208,701,275,818,877,385,385,856,766
+605,509,262,941,872,390,786,75,703,432,383,654,513,828,586,337,114,798,217,697
+164,693,62,672,753,248,208,567,56,54,947,238,125,544,562,273,415,96,579,663
+566,480,768,294,490,628,749,130,670,710,484,523,261,121,656,807,387,56,644,652
+130,873,272,181,994,292,530,122,556,397,761,451,431,766,456,900,179,401,485,856
+777,292,916,325,419,853,274,775,699,726,915,556,860,854,630,430,543,289,920,142
+68,481,898,916,197,126,672,488,807,587,481,55,625,661,696,108,330,596,271,77
+787,916,787,767,206,626,900,454,195,767,231,70,827,338,530,276,268,817,15,694
+140,484,361,511,518,700,184,800,484,583,983,905,789,913,536,858,327,858,448,399
+428,337,946,638,250,901,423,812,658,270,328,397,720,426,231,873,812,345,199,245
+96,556,811,692,489,590,578,436,560,97,722,844,943,92,618,385,292,772,634,826
+623,697,556,664,781,328,602,555,635,934,516,65,253,703,435,228,670,391,332,905
+589,805,825,578,325,204,332,682,535,536,225,920,294,279,140,698,905,62,827,213
+192,661,495,323,394,186,512,64,862,723,400,754,701,789,870,693,818,913,390,383
+784,530,234,699,227,74,196,827,980,801,836,567,720,273,644,599,383,587,480,613
+384,525,687,566,841,72,829,776,908,267,327,450,652,940,908,696,914,289,830,868
+819,633,12,280,774,400,873,623,566,580,98,768,59,799,93,170,593,210,283,262
+269,261,750,133,601,433,662,908,430,635,69,869,330,607,253,588,773,563,685,803
+673,838,630,504,427,768,643,422,633,335,510,816,594,624,895,567,335,857,607,240
+869,524,541,246,765,591,650,429,692,643,658,335,361,846,871,610,716,574,337,348
+212,254,540,225,141,912,528,806,947,855,209,596,242,613,77,219,291,263,167,172
+651,68,127,581,629,570,220,487,135,773,669,638,452,236,723,185,495,418,525,64
+711,618,609,266,263,753,68,391,132,771,124,573,944,870,92,829,731,710,627,70
+542,613,65,189,225,799,543,229,394,18,566,798,203,227,825,396,817,51,661,513
+422,283,949,941,647,806,197,533,721,418,198,239,326,724,872,920,570,268,443,599
+97,166,849,60,484,184,570,181,59,513,847,609,699,613,859,554,915,907,103,636
+855,529,779,140,633,424,614,524,535,454,660,848,918,657,701,737,355,695,218,615
+556,845,749,334,805,835,850,64,517,615,697,531,360,544,843,949,985,944,570,617
+426,858,566,491,232,130,832,60,760,134,315,185,658,861,624,864,696,557,136,450
+337,218,660,669,915,937,642,901,630,564,803,420,394,863,73,778,178,935,943,75
+838,383,796,185,183,513,627,820,214,850,611,0,909,640,666,597,237,337,870,862
+990,557,897,719,821,652,809,943,551,839,767,52,941,59,246,211,674,604,428,919
+396,860,635,627,248,213,218,839,325,573,62,755,822,621,387,517,686,835,655,626
+134,754,563,615,330,715,507,126,844,293,622,916,566,936,521,714,77,693,64,606
+451,836,918,241,717,289,76,758,274,658,56,812,591,705,268,208,274,910,359,393
+430,490,277,871,702,872,659,577,943,575,452,987,247,846,573,601,818,449,169,169
+190,943,484,62,573,593,122,756,589,327,57,294,230,717,618,438,164,65,625,636
+55,213,622,525,898,696,721,815,398,538,747,433,247,782,694,481,811,807,426,588
+527,392,491,660,664,359,590,355,356,755,949,765,261,550,868,688,670,605,277,291
+422,873,219,750,126,16,759,226,669,293,629,402,242,833,840,212,528,901,641,535
+358,494,201,391,141,271,276,562,185,418,799,762,714,765,626,97,519,881,126,262
+509,59,612,58,447,806,572,403,222,266,242,565,203,354,398,212,284,274,158,919
+480,588,186,292,558,657,590,361,825,757,773,630,95,839,521,496,493,605,236,231
+815,13,221,601,765,72,186,203,231,834,98,869,279,945,193,934,98,809,433,78
+895,289,904,695,487,206,187,671,63,628,237,572,990,271,124,531,71,572,421,941
+896,814,357,338,450,756,788,247,207,948,403,358,788,132,330,454,619,416,897,225
+843,767,848,196,205,764,553,452,785,828,627,120,944,393,562,524,910,354,658,254
+329,830,921,354,96,771,896,355,638,195,206,241,491,701,456,908,754,688,226,97
+718,611,268,421,282,908,625,115,713,580,833,355,67,836,51,758,565,78,356,758
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+624,710,243,669,623,396,247,353,778,60,562,19,398,275,68,219,125,384,325,179
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+438,219,948,535,551,257,561,51,94,486,138,725,862,329,584,79,789,96,749,521
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+855,750,758,568,596,630,862,187,949,724,16,229,750,123,127,78,333,572,519,593
+321,620,396,428,865,72,238,200,661,555,230,560,759,741,579,859,797,620,428,353
+731,72,623,433,419,276,566,92,418,56,202,559,842,188,532,530,669,268,725,275
+535,69,452,238,230,95,820,756,534,127,327,403,245,122,256,78,649,457,65,95
+775,346,919,557,526,818,248,755,483,543,328,781,654,636,203,788,630,938,624,398
+187,910,248,696,604,421,274,668,430,100,724,324,220,696,525,67,774,851,800,216
+830,263,519,825,633,362,845,945,816,911,803,216,247,662,725,419,659,88,535,869
+786,601,421,360,656,247,634,317,720,575,194,642,916,54,269,866,538,647,533,540
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+781,218,175,698,559,125,290,616,662,217,60,934,183,636,836,716,712,136,200,759
+825,386,335,427,276,124,606,224,539,652,903,863,165,786,783,946,486,4,656,401
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+582,766,521,227,488,820,722,420,54,225,700,96,397,182,532,600,512,23,915,796
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+269,659,409,422,388,573,53,862,811,812,613,287,134,591,902,754,711,204,580,230
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+289,181,103,654,419,385,915,287,849,669,803,938,649,749,703,920,657,634,493,631
+807,786,779,803,908,637,909,550,804,825,537,921,516,76,192,723,670,329,666,310
+829,205,800,901,191,231,324,257,361,629,847,841,839,827,295,716,608,508,240,804
+921,493,289,516,662,572,394,863,170,868,701,823,863,646,936,619,65,742,227,395
+167,223,846,777,53,202,608,639,488,169,822,59,295,837,696,426,355,819,10,939
+530,730,510,403,428,717,753,643,797,750,835,224,65,867,599,226,279,779,431,655
+920,184,550,648,200,289,386,142,589,655,909,62,326,189,68,322,534,303,593,70
+629,321,986,294,329,834,394,796,696,418,589,764,639,917,402,573,76,827,98,639
+840,919,494,623,148,669,675,865,393,799,542,604,913,636,400,781,915,539,795,628
+885,361,628,657,789,190,57,55,418,663,418,664,605,273,562,869,904,200,131,421
+506,781,452,586,543,863,563,167,127,784,788,330,131,841,700,810,329,601,424,600
+283,214,785,699,902,486,449,945,63,176,284,135,831,855,615,624,270,647,187,597
+857,60,309,846,598,512,165,222,57,271,871,949,66,574,289,672,819,838,282,650
+807,483,204,913,423,902,699,614,426,934,585,905,323,224,142,454,639,686,215,652
+395,142,252,916,229,829,579,604,203,335,646,335,278,60,771,201,788,633,707,255
+816,754,642,58,197,819,777,837,56,501,327,200,94,211,850,212,541,214,270,616
+907,589,51,139,256,489,645,486,221,785,825,615,595,826,391,785,65,706,824,77
+161,843,774,248,868,181,799,585,855,898,769,749,833,250,482,283,718,641,695,554
+184,615,668,205,206,291,485,234,551,628,170,918,74,867,203,993,820,559,98,529
+209,72,759,450,358,266,183,595,778,690,425,815,942,139,530,515,241,193,611,692
+214,830,572,204,327,188,360,767,486,672,871,422,774,337,317,62,72,605,286,577
+812,225,209,699,18,95,801,646,590,196,839,266,265,516,607,659,489,835,292,640
+830,486,850,761,649,819,786,338,542,490,585,712,895,693,516,285,194,782,763,439
+571,278,816,822,383,502,97,453,325,660,844,201,785,852,765,943,336,218,78,391
+50,529,530,239,386,62,81,217,837,402,804,557,618,166,252,339,804,185,321,141
+258,828,651,935,591,387,750,95,597,671,919,688,169,623,142,581,864,567,521,895
+275,803,826,568,236,287,512,698,428,631,180,452,725,713,278,555,724,540,167,676
+800,267,794,322,359,825,336,872,66,806,362,715,724,902,264,362,92,355,165,242
+567,9,278,592,562,761,385,773,908,641,938,723,72,663,125,947,250,127,765,597
+871,52,399,829,936,573,975,824,575,295,221,513,656,422,584,359,903,522,845,321
+589,141,385,95,717,590,513,152,52,259,270,169,190,331,494,902,895,770,455,944
+617,802,532,166,629,384,763,332,452,240,696,617,213,677,715,264,670,573,639,796
+941,402,856,282,660,667,710,124,92,899,538,603,700,760,122,261,909,135,994,754
+117,798,202,53,254,763,672,427,56,648,421,261,617,701,493,96,323,789,127,538
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