qyliang/CodeNanoFix huggingface dataset:
Buggy code:
s  = input()
a = int(s[:2])
b = int(s[2:])
is_MMxx = is_xxMM = False
if 13 > a > 0:
  is_MMxx = True
if 13 > b > 0:
  is_xxMM = True
if is_MMxx and is_xxMM:
  print("AMBIGUOUS")
elif is_MMxx:
  print("MMYY")
elif is_xxMM:
  print("YYMM")

Fixed code:
s  = input()
a = int(s[:2])
b = int(s[2:])
is_MMxx = is_xxMM = False
if 13 > a > 0:
  is_MMxx = True
if 13 > b > 0:
  is_xxMM = True
if is_MMxx and is_xxMM:
  print("AMBIGUOUS")
elif is_MMxx:
  print("MMYY")
elif is_xxMM:
  print("YYMM")
else:
  print("NA")
Buggy code:
import re 
S=input()
def YM(S):
  if re.match("(1[3-9]|[2-9][0-9])(0[1-9]|1[0-2])",S):
    print("YYMM")
  elif re.match("(0[1-9]|1[0-2])(1[3-9]|[2-9][0-9])",S):
    print("MMYY")
  else:
    print("AMBIGUOUS")

print("{}".format(YM(S)))

Fixed code:
import re 
S=input()
def YM(S):
  if re.match("(00|1[3-9]|[2-9][0-9])(0[1-9]|1[0-2])",S):
    return "YYMM"
  elif re.match("(0[1-9]|1[0-2])(00|1[3-9]|[2-9][0-9])",S):
    return "MMYY"
  elif re.match("(0[1-9]|1[0-2])(0[1-9]|1[0-2])",S):
    return "AMBIGUOUS"
  else:
    return "NA"
print("{}".format(YM(S)))
Buggy code:
import numpy as np

#v = [int(d) for d in input().split()]
v= list(str(input()))


li = list(np.array_split(v,2))

mae = int(''.join(li[0]))
usiro = int(''.join(li[1]))

ma = 0
usi = 0

if int(usiro) >= 1:
    if int(usiro) <= 12:
        usi = 1
    else:
        usi = 2

if int(mae) >= 1:
    if int(mae) <= 12:
        ma = 1
    else:
        ma = 2
if usi == 0:
    print('NA')
    exit()
if mae == 0:
    print('NA')
    exit()
if usi ==1 & mae ==1:
    print('AMBIGUOUS')
if usi == 1 & mae == 2:
    print('YYMM')
if usi == 2 & mae == 1:
    print('MMYY')
if usi == 2 & mae == 2:
    print('NA')

Fixed code:
import numpy as np

#v = [int(d) for d in input().split()]
v= list(str(input()))


li = list(np.array_split(v,2))

mae = int(''.join(li[0]))
usiro = int(''.join(li[1]))

ma = 0
usi = 0

if int(usiro) >= 1:
    if int(usiro) <= 12:
        usi = 1
    else:
        usi = 2
else:
    usi = 2

if int(mae) >= 1:
    if int(mae) <= 12:
        ma = 1
    else:
        ma = 2
else:
    ma = 2


if usi == 0:
    print('NA')
    exit()

if ma == 0:
    print('NA')
    exit()

if usi ==1:
    if ma == 1:

        print('AMBIGUOUS')
    else:
        print('YYMM')

if usi == 2:
    if ma == 1:

        print('MMYY')
    else:
        print('NA')
Buggy code:
S = input()
num1 = S[:2]
num2 = S[2:]
if 0 < int(num1) <= 12 and 0 < int(num2) <= 12:
    print("AMBIGUOUS")
elif int(num1) == 0 and 12 < int(num1) <= 99 and 0 < int(num2) <= 12:
    print("YYMM")
elif 0 < int(num1) <= 12 and 12 < int(num2) <= 31:
    print("MMYY")
elif int(num1) > 12 and int(num2) > 12:
    print("NA")
else:
    print("NA")

Fixed code:
S = input()
num1 = S[:2]
num2 = S[2:]
if 0 < int(num1) <= 12 and 0 < int(num2) <= 12:
    print("AMBIGUOUS")
elif 0 <= int(num1) <= 99 and 0 < int(num2) <= 12:
    print("YYMM")
elif 0 < int(num1) <= 12 and 0 <= int(num2) <= 99:
    print("MMYY")
else:
    print("NA")
Buggy code:
S=input()
AB=int(S[:2])
CD=int(S[2:])
if 1=< AB =<12 and 1 <= CD <= 12:
    print('AMBIGUOUS')
elif (AB=0 or AB=>13) and (1<=CD<=12):
    print('YYMM')
elif (1<=AB<=12) and (CD=0 or CD=>13):
    print('MMYY')
else:
    print('NA')

Fixed code:
S=input()
AB=int(S[:2])
CD=int(S[2:])
if  (1<=AB<=12) and  (1<=CD<=12):
    print('AMBIGUOUS')
elif (AB==0 or AB>=13) and  (1<=CD<=12):
    print('YYMM')
elif (1<=AB<=12) and (CD==0 or CD>=13):
    print('MMYY')
else:
    print('NA')
Buggy code:
s = input()
a = int(s[:2])
b = int(s[2:])
if a <= 12 and b <= 12:
    print("AMBIGUOUS")
elif a <= 12:
    print("MMYY")
elif b <= 12:
    print("YYMM")
else:
    print("NA")

Fixed code:
s = input()
a = int(s[:2])
b = int(s[2:])
if 0 < a <= 12 and 0 < b <= 12:
    print("AMBIGUOUS")
elif 0 < a <= 12:
    print("MMYY")
elif 0 < b <= 12:
    print("YYMM")
else:
    print("NA")
Buggy code:
S = input()

a = int(S[:2])
b = int(S[2:])
a = True if a>0 and a<13 else False
b = True if b>0 and b<13 else False

if a and b:
  str = 'ANBIGUOUS'
elif a and not b:
  str = 'MMYY'
elif not a and b:
  str = 'YYMM'
else:
  str = 'NA'
  
print(str)


Fixed code:
S = input()

a = int(S[:2])
b = int(S[2:])
a = True if a>0 and a<13 else False
b = True if b>0 and b<13 else False

if a and b:
  str = 'AMBIGUOUS'
elif a and not b:
  str = 'MMYY'
elif not a and b:
  str = 'YYMM'
else:
  str = 'NA'
  
print(str)
Buggy code:
S = input()
if int(S[2:]) >= 1 and int(S[2:]) <= 12:
    if int(S[:2]) <= 12 and int(S[:2]) >= 1:
        print('AMBIGUOUS')
    else:
        print('YYMM')
elif int(S[2:]) >= 13:
    if int(S[:2]) >= 1 and int(S[:2]) <= 12:
        print('MMYY')
    else:
        print('NA')
else:
    if int(S[:2]) >= 1 and int(S[:2] <= 12):
        print('MMYY')
    else:
        print('NA')

Fixed code:
S = input()
if int(S[2:]) >= 1 and int(S[2:]) <= 12:
    if int(S[:2]) <= 12 and int(S[:2]) >= 1:
        print('AMBIGUOUS')
    else:
        print('YYMM')
elif int(S[2:]) >= 13:
    if int(S[:2]) >= 1 and int(S[:2]) <= 12:
        print('MMYY')
    else:
        print('NA')
else:
    if int(S[2:]) == 0:
        if int(S[:2]) >= 1 and int(S[:2]) <= 12:
            print('MMYY')
        else:
            print('NA')
    else:
        print('NA')
Buggy code:
import sys

S = input()

if int(S[2:]) in range(1, 13):
    if int(S[:2]) in range(1, 13):
        print('AMBIGOUS')
        sys.exit()
    else:
        print('YYMM')
        sys.exit()
elif int(S[:2]) in range(1, 13):
    print('MMYY')
    sys.exit()
else:
    print('NA')


Fixed code:
import sys

S = input()
if int(S[2:]) in range(1, 13):
    if int(S[:2]) in range(1, 13):
        print('AMBIGUOUS')
        sys.exit()
    else:
        print('YYMM')
        sys.exit()
elif int(S[:2]) in range(1, 13):
    print('MMYY')
    sys.exit()
else:
    print('NA')
Buggy code:
s = str(input())
print(s[:2],s[2:])
num = ['01','02','03','04','05','06','07','08','09','10','11','12']
if s[:2] == '00' or s[2:] == '00':
    print("NA")
elif s[:2] in num and s[2:] in num:
    print("AMBIGUOUS")
elif s[:2] in num:
    print("MMYY")
elif s[2:] in num:
    print("YYMM")
else:
    print("NA")

Fixed code:
s = str(input())
num = ['01','02','03','04','05','06','07','08','09','10','11','12']
if s[:2] in num and s[2:] in num:
    print("AMBIGUOUS")
elif s[:2] in num:
    print("MMYY")
elif s[2:] in num:
    print("YYMM")
else:
    print("NA")
Buggy code:
S = input()
YYMM = MMYY = False
A = int(S[:2:])
B = int(S[2::])

if 1 <= B <= 12:
    YYMM = True

if 1 <= A <= 12:
    MMYY = True

if YYMM and MMYY:
    print('AMBIGUOS')
elif YYMM:
    print('YYMM')
elif MMYY:
    print('MMYY')
else:
    print('NA')


Fixed code:
S = input()
YYMM = MMYY = False
A = int(S[:2:])
B = int(S[2::])

if 1 <= B <= 12:
    YYMM = True

if 1 <= A <= 12:
    MMYY = True

if YYMM and MMYY:
    print('AMBIGUOUS')
elif YYMM:
    print('YYMM')
elif MMYY:
    print('MMYY')
else:
    print('NA')
Buggy code:
day = input()

aa = day[:2]
bb = day[2:]

if 1<= int(aa) <= 12 and 1<= int(bb) <= 99:
  print('MMYY')
elif 1<= int(aa) <= 99 and 1<= int(bb) <= 12:
  print('YYMM')
elif 1<= int(aa) <= 12 and 1<= int(bb) <= 12:
  print('AMBIGUOUS')
else:
  print('NA')

Fixed code:
day = input()

aa = day[:2]
bb = day[2:]

if 1 <= int(aa) <= 12 and 1 <= int(bb) <= 12:
  print('AMBIGUOUS')
elif 1 <= int(aa) <= 12 and 0 <= int(bb) <= 99:
  print('MMYY')
elif 0 <= int(aa) <= 99 and 1 <= int(bb) <= 12:
  print('YYMM')
else:
  print('NA')
Buggy code:
s = input()
s1 = int(s[:2])
s2 = int(s[2:])
if s1 > 12:
    if s2 > 12:
        print("YYMM")
    else:
        print("NA")
elif s2 > 12:
    print("MMYY")
else:
    print("AMBIGUOUS")


Fixed code:
s = input()
s1 = int(s[:2])
s2 = int(s[2:])
if s1 > 12 or s1 == 0:
    if s2 > 12 or s2 == 0:
        print("NA")
    else:
        print("YYMM")
elif s2 > 12 or s2 == 0:
    print("MMYY")
else:
    print("AMBIGUOUS")
Buggy code:
s = input()
print("AMBIGUOUS" if int((s[:2]))>0 and int((s[:2]))<13 and int(s[2:])>0 and int(s[2:])<13 else "YYMM" if int(s[2:])<13 else "MMYY"if int(s[:2])<13 else "NA")

Fixed code:
s = input()
print("AMBIGUOUS" if int((s[:2]))>0 and int((s[:2]))<13 and int(s[2:])>0 and int(s[2:])<13 else "YYMM" if int(s[2:])<13 and s[2:]!="00" else "MMYY"if int(s[:2])<13 and s[:2]!="00" else "NA")
Buggy code:
#YYMM, MMYY, AMBIGUOUS, NA
S = str(input())

s0 = int(S[0:2])
s1 = int(S[2:])

if s0>12:#YYMM or NA
    if s1>12:
        ans=="NA"
    else:
        ans=="YYMM"
elif s1>12:#MMYY
    ans="MMYY"
else:
    "AMBIGUOUS"
    
print(ans)

Fixed code:
#YYMM, MMYY, AMBIGUOUS, NA
S = str(input())

s0 = int(S[0:2])
s1 = int(S[2:])

if s0>12 or s0==0:#YYMM or NA
    if s1>12 or s1==0:
        ans="NA"
    else:
        ans="YYMM"
elif s1>12 or s1==0:#MMYY
    ans="MMYY"
else:
    ans="AMBIGUOUS"
    
print(ans)
Buggy code:

n1,n2=int(n[:2]),int(n[2:])
if (n1>12 and n2>12) or (n1==0 and n2==0):
    print("NA")
elif (n1!=0 and n1<=12) and (n2!=0 and n2<=12):
    print("AMBIGUOUS")
elif n1!=0 and n1<=12:
    print("MMYY")
elif n2!=0 and n2<=12:
    print("YYMM")
else:
    print("errer")



Fixed code:
n=input()

n1,n2=int(n[:2]),int(n[2:])
#if (n1>12 and n2>12) or (n1==0 and n2==0):
#   print("NA")
if (n1!=0 and n1<=12) and (n2!=0 and n2<=12):
    print("AMBIGUOUS")
elif n1!=0 and n1<=12:
    print("MMYY")
elif n2!=0 and n2<=12:
    print("YYMM")
else:
    print("NA")
Buggy code:
n=input()

n1,n2=int(n[:2]),int(n[2:])
if n1>12 and n2>12 or n1==0 or n2==0:
    print("Na")
elif (n1!=0 and n1<=12) and (n2!=0 and n2<=12):
    print("AMBIGUOUS")
elif n1!=0 or n1<=12:
    print("MMYY")
elif n2!=0 or n2<=12:
    print("YYMM")
else:
    print("errer")



Fixed code:
n=input()

n1,n2=int(n[:2]),int(n[2:])
if (n1>12 and n2>12) or (n1==0 and n2==0):
    print("NA")
elif (n1!=0 and n1<=12) and (n2!=0 and n2<=12):
    print("AMBIGUOUS")
elif n1!=0 and n1<=12:
    print("MMYY")
elif n2!=0 and n2<=12:
    print("YYMM")
else:
    print("NA")
Buggy code:
S = input()

head = int(S[:2])
tail = int(s[2:])

ans = "NA"
if 1 <= head <= 12:
    if 1 <= tail <= 12:
        ans = "AMBIGUOUS"
    else:
        "YYMM"
elif 1 <= tail <= 12:
    ans = "MMYY"
    
print(ans)

Fixed code:
S = input()

head = int(S[:2])
tail = int(S[2:])

ans = "NA"
if 1 <= head <= 12:
    if 1 <= tail <= 12:
        ans = "AMBIGUOUS"
    else:
        ans = "MMYY"
elif 1 <= tail <= 12:
    ans = "YYMM"

print(ans)
Buggy code:
S=input()
x=int(S[:2])
y=int(S[2:])

if 1<=x<=12 and 1<=y<=12:
    print("AMBGIOUS")
elif 1<=x<=12:
    print("MMYY")
elif 1<=y<=12:
    print("YYMM")
else:
    print("NA")

Fixed code:
S=input()
x=int(S[:2])
y=int(S[2:])

if 1<=x<=12 and 1<=y<=12:
    print("AMBIGUOUS")
elif 1<=x<=12:
    print("MMYY")
elif 1<=y<=12:
    print("YYMM")
else:
    print("NA")
Buggy code:
s = input()
if 0<int(s[:2])<=12 and 0<int(s[2:4])<=12:
    print('AMBIGUOUS')
elif 0<int(s[:2])<=12:
    print('MMYY')
elif 0<int(s[2:4])<=12:
    print('YYMM')
else:
    print('NA19')    

Fixed code:
s = input()
if 0<int(s[:2])<=12 and 0<int(s[2:4])<=12:
    print('AMBIGUOUS')
elif 0<int(s[:2])<=12:
    print('MMYY')
elif 0<int(s[2:4])<=12:
    print('YYMM')
else:
    print('NA')
Buggy code:

s = input()
a=int(s[0:2])
b=int(s[2:4])
if 0<b<=12:
    print('YYMM')
elif 0<a<=12 :
    print('MMYY')
elif 0<a<=12 and 0<b<=12:
    print('AMBIGUOUS')
else:
    print('NA')



Fixed code:

s = input()
a=int(s[0:2])
b=int(s[2:4])
if 0<a<=12 and 0<b<=12:
    print('AMBIGUOUS')
elif 0<b<=12:
    print('YYMM')
elif 0<a<=12 :
    print('MMYY')

else:
    print('NA')
Buggy code:
n = input()
a = int(n[:2])
b = int(n[2:])
x = 0 < a <= 12
y = 0 < b <= 12
print(a,b)
if x and y :
    print('AMBIGUOUS')
elif not x and y:
    print('YYMM')
elif x and not y:
    print('MMYY')
else:
    print('NA')

Fixed code:
n = input()
a = int(n[:2])
b = int(n[2:])
x = 0 < a <= 12
y = 0 < b <= 12
if x and y :
    print('AMBIGUOUS')
elif not x and y:
    print('YYMM')
elif x and not y:
    print('MMYY')
else:
    print('NA')
Buggy code:
s=list(input())

# s1 = (int)(s[0] + s[1])
s1=int(s[0])*10+int(s[1])
s2=int(s[2])*10+int(s[3])

if s1<=12 and s2<=12:
    ans='AMBIGUOUS'
elif s1<=12 and s2>12:
    ans ='MMYY'
elif s1>12 and s2<=12:
    ans ='YYMM'
else:
    ans='NA'
print(ans)


Fixed code:
s=list(input())

# s1 = (int)(s[0] + s[1])
s1=int(s[0])*10+int(s[1])
s2=int(s[2])*10+int(s[3])

if s1<=12 and s2<=12 and s1>0 and s2>0:
    ans='AMBIGUOUS'
elif s1<=12 and  (s2>12 or s2 == 0)and s1>0:
    ans ='MMYY'
elif (s1>12 or s1==0) and s2<=12 and s2>0:
    ans ='YYMM'
else:
    ans='NA'
print(ans)
Buggy code:
def main(f, e):
    if f==0 or e==0:
        print("NA")
        return 0
    if f <13:
        if e < 13:
            print("AMBIGUOUS")
        else:
            print("MMYY")
    else:
        if e < 13:
            print("YYMM")
        else:
            print("NA")

if __name__ == "__main__":
    S = input()

    a = int(S[:2])
    b = int(S[2:])
    print(a, b)
    main(a, b)
        


Fixed code:
def main(f, e):
    if 0 <f <13:
        if 0<e<13:
            print("AMBIGUOUS")
        else:
            print("MMYY")
    else:
        if 0<e<13:
            print("YYMM")
        else:
            print("NA")
if __name__ == "__main__":
    S = input()

    a = int(S[:2])
    b = int(S[2:])
    main(a, b)
Buggy code:
S = input()
head = int(S[:2])
tail = int(S[2:])
if head <=12 and tail<=12:
  print("AMBIGUOUS")
elif head<=12 and tail>12:
  print("MMYY")
elif head>12 and tail<=12:
  print("YYMM")
else:
  print("NA")

Fixed code:
S = input()
head = int(S[:2])
tail = int(S[2:])
if 0<head <=12 and 0<tail<=12:
  print("AMBIGUOUS")
elif 0<head<=12 and (tail>12 or tail==0):
  print("MMYY")
elif (head>12 or head ==0) and 0<tail<=12:
  print("YYMM")
else:
  print("NA")
Buggy code:
S=list(input())
f=10*int(S[0])+ int(S[1])
l=10*int(S[2])+int(S[3])
if 1<=f<=12 and 1<=l<=12:
  print('AMBIGUPUS')
elif f>=13 and 1<=l<=12:
  print('YYMM')
elif 1<=f<=12 and l>=13:
  print('MMYY')
else:
  print('NA')



Fixed code:
S=list(input())
f=10*int(S[0])+ int(S[1])
l=10*int(S[2])+int(S[3])
if 1<=f<=12 and 1<=l<=12:
  print('AMBIGUOUS')
elif (f>=13 or f==0) and 1<=l<=12:
  print('YYMM')
elif 1<=f<=12 and (l>=13 or l==0):
  print('MMYY')
else:
  print('NA')
Buggy code:
import sys
rr = lambda: sys.stdin.readline().strip()
ri = lambda: int(rr())
rs = lambda: [int(_) for _ in rr().split()]

S = rr()

if not 1 <= int(S[:1]) <= 12:
    if not 1 <= int(S[2:]) <= 12:
        print('NA')
    else:
        print('YYMM')
elif not 1 <= int(S[2:]) <= 12:
	if not 1 <= int(S[2:]) <= 12:
        print('NA')
    else:
        print('MMYY')
else:
    print('AMBIGUOUS')

Fixed code:
import sys
rr = lambda: sys.stdin.readline().strip()
ri = lambda: int(rr())
rs = lambda: [int(_) for _ in rr().split()]

S = rr()

if not 1 <= int(S[:2]) <= 12:
    if not 1 <= int(S[2:]) <= 12:
        print('NA')
    else:
        print('YYMM')
elif not 1 <= int(S[2:]) <= 12:
	print('MMYY')
else:
    print('AMBIGUOUS')
Buggy code:
s=input()
sb=int(s[:2])
sa=int(s[2:])
if sb<=12 and sa!=0:
  if sa<=12 and sa!=0:
    print('AMBIGOUS')
  else:
    print('MMYY')
elif sa<=12 and sa!=0:
  if sb<=12 and sa!=0:
    print('AMBIGOUS')
  else:
    print('YYMM')
else:
  print('NA')

Fixed code:
s=input()
sb=int(s[:2])
sa=int(s[2:])
if sb<=12 and sb!=0:
  if sa<=12 and sa!=0:
    print('AMBIGUOUS')
  else:
    print('MMYY')
elif sa<=12 and sa!=0:
  if sb<=12 and sb!=0:
    print('AMBIGOUS')
  else:
    print('YYMM')
else:
  print('NA')
Buggy code:
s=input()
a=int(s[0:2])
b=int(s[2:4])
if a<13 and b<13:print("AMBIGUOUS")
elif not(a<13 or b<13):print("NA")
elif b<13:print("YYMM")
else:print("MMYY")

Fixed code:
s=input();a,b=int(s[0:2]),int(s[2:4])
a=0<a<13
b=0<b<13
if a and b:print("AMBIGUOUS")
elif not(a or b):print("NA")
elif b:print("YYMM")
else:print("MMYY")
Buggy code:
S = input()
ff = int(S[:2])
ll = int(S[2:])
if 0<ff<=12 and 0<ll<=12:
    print("AMBIGUOUS")
elif ff == 0 or ff>12 and 0<ll<=12:
    print("YYMM")
elif 0<ff<=12 and ll>12 or ll== 0:
    print("MMYY")
else:
    print("NA")

Fixed code:
S = input()
ff = int(S[:2])
ll = int(S[2:])
if 0<ff<=12 and 0<ll<=12:
    print("AMBIGUOUS")
elif (ff == 0 or ff>12) and 0<ll<=12:
    print("YYMM")
elif 0<ff<=12 and (ll>12 or ll== 0):
    print("MMYY")
else:
    print("NA")
Buggy code:
date = input()
firstvalid = isMonth(date[0:2])
secondvalid = isMonth(date[2:])

if firstvalid && secondvalid:
  print('AMBIGUOUS')
elif firstvalid:
  print('MMYY')
elif secondvalid:
  print('YYMM')
else:
  print('NA')
  


def isMonth(x):
  return 1 <= int(x) <= 12


Fixed code:
def isMonth(x):
  y = int(x)
  return (1 <= y and y <= 12)

date = input()
firstvalid = isMonth(date[0:2])
secondvalid = isMonth(date[2:])
 
if firstvalid and secondvalid:
  print('AMBIGUOUS')
elif firstvalid:
  print('MMYY')
elif secondvalid:
  print('YYMM')
else:
  print('NA')
Buggy code:
former=int(inp[0]+inp[1])
latter=int(inp[2]+inp[3])

if 0=< former <=12 and 0=< latter <=12:
	print("AMBIGUOUS")
elif 0=< former <=12 and 12=< latter:
	print("MMYY")
elif 0=< latter <=12 and 12=< former:
	print("YYMM")

else:
	print("NA")

Fixed code:
inp=input()
former=int(inp[0]+inp[1])
latter=int(inp[2]+inp[3])

if 0< former <=12 and 0< latter <=12:
	print("AMBIGUOUS")
elif 0< former <=12 :
	print("MMYY")
elif 0< latter <=12 :
	print("YYMM")
else:
	print("NA")
Buggy code:
from sys import stdin
S = stdin.readline().rstrip()
zen, kou = int(S[:2]), int(S[2:])
if 13 <= zen <= 99 and 1 <= kou <= 12:
    print('YYMM')
if zen == 0 and 1 <= kou <= 12:
    print('YYMM')
elif 1 <= zen <= 12 and 13 <= kou <= 99:
    print('MMYY')
elif 1 <= zen <= 12 and kou == 0:
    print('MMYY')
elif 1 <= zen <= 12 and 1 <= kou <= 12:
    print('AMBIGUOUS')
else:
    print('NA')

Fixed code:
from sys import stdin
S = stdin.readline().rstrip()
zen, kou = int(S[:2]), int(S[2:])
if 13 <= zen <= 99 and 1 <= kou <= 12:
    print('YYMM')
elif zen == 0 and 1 <= kou <= 12:
    print('YYMM')
elif 1 <= zen <= 12 and 13 <= kou <= 99:
    print('MMYY')
elif 1 <= zen <= 12 and kou == 0:
    print('MMYY')
elif 1 <= zen <= 12 and 1 <= kou <= 12:
    print('AMBIGUOUS')
else:
    print('NA')
Buggy code:
s = int(input())

s1 = s // 100
s2 = s - s1

if s1 > 12 or s1 == 0:
    temp1 = 0
else:
    temp1 = 1

if s2 > 12 or s2 == 0:
    temp2 = 0
else:
    temp2 = 1


if temp1 == 0 and temp2 == 1:
    print("YYMM")
if temp1 == 0 and temp2 == 0:
    print("NA")
if temp1 == 1 and temp2 == 0:
    print("MMYY")
if temp1 == 1 and temp2 == 1:
    print("AMBIGUOUS")

Fixed code:
s = int(input())

s1 = s // 100
s2 = s - (s1*100)

if s1 > 12 or s1 == 0:
    temp1 = 0
else:
    temp1 = 1

if s2 > 12 or s2 == 0:
    temp2 = 0
else:
    temp2 = 1


if temp1 == 0 and temp2 == 1:
    print("YYMM")
if temp1 == 0 and temp2 == 0:
    print("NA")
if temp1 == 1 and temp2 == 0:
    print("MMYY")
if temp1 == 1 and temp2 == 1:
    print("AMBIGUOUS")
Buggy code:
s = list(input())
f = int(''.join(s[:2]))
r = int(''.join(s[2:]))
yymm = 0
mmyy = 0
if 0 <= f and f <= 99:
    if 1<=r and r<= 12:
        yymm = 1
if 1<=f and f<= 12:
    if 0 <= r and r <= 99:
        mmyy = 1
if mmyy == 1 and yymm == 1:
    print('AMBIGUOUS')
elif mmyy == 0 and yymm == 1:
    print('YYMM')
elif myy == 1 and yymm == 0:
    print('MMYY')
else:
    print('NA')

Fixed code:
s = list(input())
f = int(''.join(s[:2]))
r = int(''.join(s[2:]))
yymm = 0
mmyy = 0
if 0 <= f and f <= 99:
    if 1<=r and r<= 12:
        yymm = 1
if 1<=f and f<= 12:
    if 0 <= r and r <= 99:
        mmyy = 1
if mmyy == 1 and yymm == 1:
    print('AMBIGUOUS')
elif mmyy == 0 and yymm == 1:
    print('YYMM')
elif mmyy == 1 and yymm == 0:
    print('MMYY')
else:
    print('NA')
Buggy code:
s=list(map(int,input().split))
t=10*s[0]+s[1]
k=10*s[2]+s[3]
if 1<=t<=12:
  if 1<=k<=12:
    print("AMBIGUOUS")
  elif:
    print("MMYY")
elif 1<=k<=12:
  print("YYMM")
else:
  print("NA")

Fixed code:
s=list(input())
s=list(map(int,s))
t=10*s[0]+s[1]
k=10*s[2]+s[3]
if 1<=t<=12:
  if 1<=k<=12:
    print("AMBIGUOUS")
  else:
    print("MMYY")
elif 1<=k<=12:
  print("YYMM")
else:
  print("NA")
Buggy code:
S = list(input())

a, b = int(str(''.join(S[:2]))), int(str(''.join(S[2:])))
if a == 0 and b == 0:
  print('NA')
elif a == 0 and b <= 12:
  print('YYMM')
elif a <= 12 and b == 0:
  print('MMYY')
elif a <= 12 and b <= 12:
  print('AMBIGUOUS')
elif a <= 12 and b > 12:
  print('MMYY')
elif a > 12 and b <= 12:
  print('YYMM')
else:
  print('NA')

Fixed code:
S = list(input())

a, b = int(str(''.join(S[:2]))), int(str(''.join(S[2:])))
if a == 0 and b == 0:
  print('NA')
elif a == 0 and b <= 12:
  print('YYMM')
elif a <= 12 and b == 0:
  print('MMYY')
elif a == 0 and b > 12:
  print('NA')
elif b == 0 and a > 12:
  print('NA')
elif a > 12 and b > 12:
  print('NA')
elif a <= 12 and b <= 12:
  print('AMBIGUOUS')
elif a <= 12 and b > 12:
  print('MMYY')
elif a > 12 and b <= 12:
  print('YYMM')
else:
  print('NA')
Buggy code:
S = int(input())
if S[:2] > 12:
    if 13 > S[2:] > 0
        print("YYMM")
    else:
        print("NA")
elif 0 < S[:2] < 13:#12xx~01xx
    if S[2:] > 12:
        print("MMYY")
    elif 0 < S[2:] < 13:
        print("AMBIGUOUS")
    else:
        print("YYMM")
else:#00xx
    if 0 < S[2:] <13:
        print("YYMM")
    else:
        print("NA")


Fixed code:
S = input()
if int(S[:2]) > 12:
    if 13 > int(S[2:]) > 0:
        print("YYMM")
    else:
        print("NA")
elif 0 < int(S[:2]) < 13:#12xx~01xx
    if int(S[2:]) > 12:
        print("MMYY")
    elif 0 < int(S[2:]) < 13:
        print("AMBIGUOUS")
    else:
        print("MMYY")
else:#00xx
    if 0 < int(S[2:]) <13:
        print("YYMM")
    else:
        print("NA")
Buggy code:
S = input()
if (int(S[:2])>12 or int(S[:2])==0) and (int(S[2:])>12 or int(S[2:])==0):
    print('NA')
elif (int(S[:2])<=12 and int(S[:2])!=0) and (int(S[2:])>12 and int(S[2:])==0):
    print('MMYY')
elif (int(S[2:])<=12 and int(S[2:])!=0) and (int(S[:2])>12 and int(S[:2])==0):
    print('YYMM')
else:
    print('AMBIGUOUS')

Fixed code:
S = input()
if (int(S[:2])>12 or int(S[:2])==0) and (int(S[2:])>12 or int(S[2:])==0):
    print('NA')
elif (int(S[:2])<=12 and int(S[:2])!=0) and (int(S[2:])>12 or int(S[2:])==0):
    print('MMYY')
elif (int(S[2:])<=12 and int(S[2:])!=0) and (int(S[:2])>12 or int(S[:2])==0):
    print('YYMM')
else:
    print('AMBIGUOUS')
Buggy code:
def judge_month(s):
    if '00' < s and s <= '12':
        return True
    else:
        return False

S = input()

s1 = S[0] + S[1]
s2 = S[2] + S[3] 

month_1 = judge_month(s1)
month_2 = judge_month(s2)

if s1 and s2:
    print('AMBIGUOUS')
elif month_1:
    print('MMYY')
elif month_2:
    print('YYMM')
else:
    print('NA')



Fixed code:
def judge_month(s):
    if '00' < s and s <= '12':
        return True
    else:
        return False

S = input()

s1 = S[0] + S[1]
s2 = S[2] + S[3] 

month_1 = judge_month(s1)
month_2 = judge_month(s2)

if month_1 and month_2:
    print('AMBIGUOUS')
elif month_1:
    print('MMYY')
elif month_2:
    print('YYMM')
else:
    print('NA')
Buggy code:
S = input()
if S[:2] == "00":
  if S[2:] > 12:
  	print("NA")
  else:
    print("YYMM")
elif S[2:] == "00":
  if S[:2] > 12:
  	print("NA")
  else:
    print("MMYY")
elif int(S[:2]) > 12 and S[2:] > 12:
  print("NA")
elif int(S[:2]) < 13 and S[2:] < 13:
  print("AMBIGUOUS")
elif int(S[:2]) < 13:
  print("MMYY")
else:
  print("YYMM")

Fixed code:
S = input()
if S[:2] == "00":
  if int(S[2:]) > 12 or S[2:] == "00":
  	print("NA")
  else:
    print("YYMM")
elif S[2:] == "00":
  if int(S[:2]) > 12:
  	print("NA")
  else:
    print("MMYY")
elif int(S[:2]) > 12 and int(S[2:]) > 12:
  print("NA")
elif int(S[:2]) < 13 and int(S[2:]) < 13:
  print("AMBIGUOUS")
elif int(S[:2]) < 13:
  print("MMYY")
else:
  print("YYMM")