qyliang/CodeNanoFix huggingface dataset:
Buggy code:
from math import factorial


def main():
    MOD = 1000000007
    inp = input().split()
    n = int(inp[0])
    k = int(inp[1])
    r = n - k
    for i in range(1, k + 1):
        if r + 1 < i:
            return
        else:
            rr = cmb(r + 1, i)

        if i == 1:
            bb = 1
        elif i == k:
            bb = 1
        else:
            bb = cmb(k - 1, i - 1)
        print((rr % MOD) * (bb % MOD) % MOD)


def cmb(n, r):
    return factorial(n) / (factorial(r) * factorial(n - r))


if __name__ == '__main__':
    main()


Fixed code:
from math import factorial


def main():
    MOD = 1000000007
    inp = input().split()
    n = int(inp[0])
    k = int(inp[1])
    r = n - k
    for i in range(1, k + 1):
        if r + 1 < i:
            print(0)
            continue
        elif r + 1 == i:
            rr = 1
        else:
            rr = cmb(r + 1, i)

        if i == 1:
            bb = 1
        elif i == k:
            bb = 1
        else:
            bb = cmb(k - 1, i - 1)
        print(((rr % MOD) * (bb % MOD)) % MOD)


def cmb(n, r):
    return factorial(n) // (factorial(r) * factorial(n - r))


if __name__ == '__main__':
    main()
Buggy code:
N, K = map( int, input().split() )
MOD = 10 ** 9 + 7

def Combi( n, r ):
  n1 = 1
  n2 = 1
  for i in range( 1, r + 1 ):
    n1 = n1 * i % MOD
    n2 = n2 * ( n - i + 1 )
  return ( n2 * pow( n1, MOD - 2, MOD ) ) % MOD

for i in range( 1, K + 1 ):
  if K - N + 1 > i:
    print( ( Combi( N - K + 1, i ) * Combi( K - 1, i - 1 ) ) % MOD )
  else:
    print( 0 )
  

Fixed code:
N, K = map( int, input().split() )
MOD = 10 ** 9 + 7
 
def Combi( n, r ):
  n1 = 1
  n2 = 1
  for i in range( 1, r + 1 ):
    n1 = n1 * i % MOD
    n2 = n2 * ( n - i + 1 ) % MOD
  return ( n2 * pow( n1, MOD - 2, MOD ) ) % MOD
 
for i in range( 1, K + 1 ):
  if N - K + 1 >= i:
    print( ( Combi( N - K + 1, i ) * Combi( K - 1, i - 1 ) ) % MOD )
  else:
    print( 0 )
Buggy code:
# code test 
from operator import mul
from functools import reduce


def cmb(n, r):
    r = min(r, n - r)
    if r == 0:
        return 1
    over = reduce(mul, range(n, n - r, -1))
    under = reduce(mul, range(1, r + 1))
    return over // under



N, K = map(int, input().split())
MOD = 10**9 + 7


for i in range(1, K+1):
    cmb_r = cmb(N - K + 1, i) % MOD if N - K + 1 > i else 0
    cmb_b = cmb(K - 1, i - 1) % MOD if K > i else 0
    ans = (cmb_r * cmb_b) % MOD
    print(ans)


Fixed code:
# code test
from operator import mul
from functools import reduce


def cmb(n, r):
    r = min(r, n - r)
    if r == 0:
        return 1
    over = reduce(mul, range(n, n - r, -1))
    under = reduce(mul, range(1, r + 1))
    return over // under



N, K = map(int, input().split())
MOD = 10**9 + 7


for i in range(1, K+1):
    cmb_r = cmb(N - K + 1, i) % MOD if N - K + 1 >= i else 0
    cmb_b = cmb(K - 1, i - 1) % MOD 
    ans = (cmb_r * cmb_b) % MOD
    print(ans)
Buggy code:
# D
def cmb(n, r):　
    if n - r < r: r = n - r
    if r == 0: return 1
    if r == 1: return n

    numerator = [n - r + k + 1 for k in range(r)]
    denominator = [k + 1 for k in range(r)]

    for p in range(2,r+1):
        pivot = denominator[p - 1]
        if pivot > 1:
            offset = (n - r) % p
            for k in range(p-1,r,p):
                numerator[k - offset] /= pivot
                denominator[k] /= pivot

    result = 1
    for k in range(r):
        if numerator[k] > 1:
            result *= int(numerator[k])
    return result


N, K =map(int, input().split())
blue = K   
red = N - K   
over = 10**9 + 7

for i in range(K):
    if i == 0:   
        print(red+1)
    elif i < red:    
        print((cmb(red+1, i+1) % over) * (cmb(blue-1, i) % over)
    elif i == red:   
        print(1)
    else:  
        print(0)

Fixed code:
def cmb(n, r):
    if n - r < r: r = n - r
    if r == 0: return 1
    if r == 1: return n

    numerator = [n - r + k + 1 for k in range(r)]
    denominator = [k + 1 for k in range(r)]

    for p in range(2,r+1):
        pivot = denominator[p - 1]
        if pivot > 1:
            offset = (n - r) % p
            for k in range(p-1,r,p):
                numerator[k - offset] /= pivot
                denominator[k] /= pivot

    result = 1
    for k in range(r):
        if numerator[k] > 1:
            result *= int(numerator[k])

    return result

N, K =map(int, input().split())
blue = K
red = N - K
over = 10**9 + 7

for i in range(K):
    if i <= red:
        print((cmb(red+1, i+1)  * (cmb(blue-1, i))) % over)
    else:
        print(0)
Buggy code:
from math import factorial
n,k = map(int, input().split())
mod = 10**9+7
def comb(n,r):
    return factorial(n) // (factorial(r) * factorial(n - r))
# a = comb(n, r)
for i in range(1,k+1):
    if N - K + 1 >= i :
        a = comb(n-k+1,i)
        b = comb(k-1,i-1)
        print((a*b)%mod)
    else:
        print(0)

Fixed code:
from math import factorial
n,k = map(int, input().split())
mod = 10**9+7
def comb(n,r):
    return factorial(n) // (factorial(r) * factorial(n - r))
for i in range(1,k+1):
    if n -k + 1 >= i :
        a = comb(n-k+1,i)
        b = comb(k-1,i-1)
        print((a*b)%mod)
    else:
        print(0)
Buggy code:
n, k = map(int, input().split())
mod = 10 ** 9 + 7
 
 
def cmb(n, r):

    # print("nsr",n,r)
    if (r < 0): return 1
    if (n < 0): return 1
    if (n < r): return 0


    r = min(r, n - r)
    x = 1
    y = 1
    for i in range(r):
        x = x * (n - i) % mod
        y = y * (i + 1) % mod
    y = pow(y, mod-2, mod)
    return x * y % mod
 

for i in range(1,k+1):
    x,y = k,i
    blue = cmb(x-1,x-y)
    # print("bbbbbb",blue)

    red=0
    
    x,y = n-k,i-1
    red+=cmb(x-1,x-y)
    # print(red)

    x,y = n-k,i
    red+=cmb(x-1,x-y)
    red+=cmb(x-1,x-y)
    # print(red)

    x,y = n-k,i+1
    red+=cmb(x-1,x-y)
    # print(red)

    # print("ans",blue*red%mod)
    print(blue*red%mod)


Fixed code:
n, k = map(int, input().split())
mod = 10 ** 9 + 7
 
 
def cmb(n, r):

    # print("nsr",n,r)
    if (r < 0): return 0 
    if (n < 0): return 1
    if (n < r): return 0


    r = min(r, n - r)
    x = 1
    y = 1
    for i in range(r):
        x = x * (n - i) % mod
        y = y * (i + 1) % mod
    y = pow(y, mod-2, mod)
    return x * y % mod
 

for i in range(1,k+1):
    x,y = k,i
    blue = cmb(x-1,x-y)
    # print("bbbbbb",blue)

    red=0
    
    x,y = n-k,i-1
    red+=cmb(x-1,x-y)
    # print(red)

    x,y = n-k,i
    red+=cmb(x-1,x-y)
    red+=cmb(x-1,x-y)
    # print(red)

    x,y = n-k,i+1
    red+=cmb(x-1,x-y)
    # print(red)

    # print("ans",blue*red%mod)
    print(blue*red%mod)
Buggy code:
n,blue = map(int,input().split())
red = n-blue
mod = 10 ** 9 + 7

now = [1]
for i in range(1,red+2):
    next = []
    for j in range(min(i+1,blue+1)):
        if j == 0 or j == i:
            next.append(1)
        else:
            next.append((now[j-1]+now[j])%mod)
    now = next

  # print(now)
for i in range(1,blue+1):
    try:
        print((now[i] * max(1,((n-i+1)*(i-1))%mod))%mod)
    except:
        print(0)

Fixed code:
n,blue = map(int,input().split())
red = n-blue
mod = 10 ** 9 + 7

now = [1]
get = [1]
for i in range(1,red+2):
    next = []
    for j in range(min(i+1,blue+1)):
        if j == 0 or j == i:
            next.append(1)
        else:
            next.append((now[j-1]+now[j])%mod)
    now = next
for i in range(1,blue):
    next = []
    for j in range(i+1):
        if j == 0 or j == i:
            next.append(1)
        else:
            next.append((get[j-1]+get[j])%mod)
    get = next

  # print(now)
for i in range(1,blue+1):
    try:
  #        print(now[i],get[i-1])
        print((now[i] * get[i-1])%mod)
    except:
        print(0)
Buggy code:
S=input()
for i in range(3):
  if S[i]==S[i+1]:
    print("Bad")
    break
  else:
    print("Good")

Fixed code:
S = input()
ans = 'Good'

for i in range(3):
    if S[i] == S[i + 1]:
        ans = 'Bad'
        break

print(ans)
Buggy code:
S=int(input())
count=1
for i in range(3):
    if S[i] == S[i+1]:
        print('Bad')
        break
else:
    print('Good')


Fixed code:
S=input()
count=1
for i in range(3):
    if S[i] == S[i+1]:
        print('Bad')
        break
else:
    print('Good')
Buggy code:

pas = input("password: ")
pas = list(pas)

for i in range(3):
    if pas[i] == pas[i+1]:
        print("Bad")
        exit()
    a = i
print("Good")


Fixed code:

pas = input()
pas = list(pas)

for i in range(3):
    if pas[i] == pas[i+1]:
        print('Bad')
        exit()
    a = i
print('Good')
Buggy code:
a = list(map(int, input().split()))

if a[0]-a[1]=0 or a[1]-a[2]=0 or a[2]-a[3]=0:
    print("Bad")
else:
    print("Good")

Fixed code:
a = list(map(int, input()))

if a[0]-a[1]==0 or a[1]-a[2]==0 or a[2]-a[3]==0:
    print("Bad")
else:
    print("Good")
Buggy code:
t=input():
print("Bad") if (t[0]==t[1])or(t[1]==t[2])or(t[2]==t[3]) else print("Good")

Fixed code:
t=input()
print("Bad") if (t[0]==t[1])or(t[1]==t[2])or(t[2]==t[3]) else print("Good")
Buggy code:
s=input()
print("Good" if any([s[i]!=s[i+1] for i in range(len(s)-1)]) else "Bad")

Fixed code:
s=input()
print("Good" if all([s[i]!=s[i+1] for i in range(len(s)-1)]) else "Bad")
Buggy code:
li = list(input())
flag = False
for i in range(li):
  if i == 0:
    continue
  flag = li[i-1] == li[i]
  if flag:
    break
print("Bad" if flag else "Good")

Fixed code:
li = list(input())
flag = False
for i in range(len(li)):
  if i == 0:
    continue
  flag = li[i-1] == li[i]
  if flag:
    break
print("Bad" if flag else "Good")
Buggy code:
S = input()
n = S[0]
for i in range(4):
    if S[i:i+1]==n:
        print("Bad")
        break
    n = S[i:i+1]
print("Good")

Fixed code:
S = input()
n = ""
ans = "Good"
for i in range(4):
    if S[i:i+1]==n:
        ans = "Bad"
        break
    n = S[i:i+1]
print(ans)
Buggy code:
S = input()
if S[0] == S[1]:
    print("Bad")
elif S[1] == S[2]:
    print("Bad")
elif S[2] == S[3]:
    print("Bad")
print("Good")

Fixed code:
S = input()
if S[0] == S[1]:
    print("Bad")
elif S[1] == S[2]:
    print("Bad")
elif S[2] == S[3]:
    print("Bad")
else:
	print("Good")
Buggy code:
s = input()

ans = s[0]
t = 'Good'
for i in s[:1]:
    if ans == i:
        t = 'Bad'
        break

print(t)

Fixed code:
s = input()

ans = s[0]
t = 'Good'
for i in s[1:]:
    if ans == i:
        t = 'Bad'
        break
    else:
        ans = i
print(t)
Buggy code:
s = input()
s = s + "*"
ans = "Good"
for i in range(len(s)):
    if s[i] == s[i+1]:
        ans = "Bad"
        break
print(ans)

Fixed code:
s = input()
s = s + "*"
ans = "Good"
for i in range(len(s)-1):
    if s[i] == s[i+1]:
        ans = "Bad"
        break
print(ans)
Buggy code:
i=list(input())
print(i)
if(i[0]==i[1] or i[1]==i[2] or i[2]==i[3]):
    print("Bad")
else:
    print("Good")

Fixed code:
i=list(input())
if(i[0]==i[1] or i[1]==i[2] or i[2]==i[3]):
    print("Bad")
else:
    print("Good")
Buggy code:
x = input()
def samenum(string):
  for i in range(3):
  	if string[i] == string[i+1]:
    	return "Bad"
  		quit()
  return "Good"

print(samenum(x))

Fixed code:
x = input()
def samenum(string):
  for i in range(3):
    if string[i] == string[i+1]:
        return "Bad"
        quit()
  return "Good"

print(samenum(x))
Buggy code:

def main():
    s = input()
    cnt = 0
    for i in range(1, len(s)):
        if s[i-1] == s[i]:
            cnt += 1
    if cnt >= 2:
        print('Bad')
    else:
        print('Good')


if __name__ == "__main__":
    main()


Fixed code:

def main():
    s = input()
    cnt = 0
    for i in range(1, len(s)):
        if s[i-1] == s[i]:
            cnt += 1
    if cnt >= 1:
        print('Bad')
    else:
        print('Good')


if __name__ == "__main__":
    main()
Buggy code:
s=int(input())

if s[0]==s[1] or s[1]==s[2] or s[2]==s[3]:
  print('Bad')
else:
  print('Good')

Fixed code:
s = input()
if s[0]==s[1] or s[1]==s[2] or s[2]==s[3]:print('Bad')
else:print('Good')
Buggy code:
S = int(input())

s = list(S)

if s[0]==s[1] or s[1]==s[2] or s[2]==s[3]:
  print("Bad")
else:
  print("Good")


Fixed code:
S = input()

s = list(S)

if s[0]==s[1] or s[1]==s[2] or s[2]==s[3]:
  print("Bad")
else:
  print("Good")
Buggy code:
s = input()
var = True
for i in range(1, len(s)):
  if s[i]!=s[i-1]:
    var = False
    break
    
if var:
  print("Good")
else:
  print("Bad")

Fixed code:
s = input()
var = True
for i in range(1, len(s)):
  if s[i]==s[i-1]:
    var = False
    break
    
if var:
  print("Good")
else:
  print("Bad")
Buggy code:
S = input()
if S[0] == S[1] or S[1] == S[2] or S[2] == S[3]:
    print("Good")
else:
    print('Bad')

Fixed code:
S = input()
if S[0] == S[1] or S[1] == S[2] or S[2] == S[3]:
    print("Bad")
else:
    print('Good')
Buggy code:
S = list(map(int, input().rstrip()))
for i in range(4):
  if S[i]==S[i+1]:
    print("Bad")
    exit()
print("Good")

Fixed code:
S = list(map(int, input().rstrip()))
for i in range(3):
  if S[i]==S[i+1]:
    print("Bad")
    exit()
print("Good")
Buggy code:
import re
s = input()
pattern = r"(00)|(11)|(22)|(33)|(44)|(55)|(66)|(77)|(88)|(99)"
if(re.match(pattern, s)):
  print("Bad")
else:
  print("Good")

Fixed code:
import re
s = input()
pattern = r"(00|11|22|33|44|55|66|77|88|99)"
if(re.search(pattern, s)):
	print("Bad")
else:
	print("Good")
Buggy code:
from collections import Counter
code = input()
cnt = 0
for i in range(len(code) - 1):
  if c[i] == c[i + 1]:
    cnt += 1
    break
if cnt:
  print("Bad")
else:
  print("Good")
  

Fixed code:
from collections import Counter
code = input()
cnt = 0
for i in range(len(code) - 1):
  if code[i] == code[i + 1]:
    cnt += 1
    break
if cnt:
  print("Bad")
else:
  print("Good")
Buggy code:
s = int(input())
ans = "Good"
for i in range(10):
  k = str(i)+str(i)
  if(k in s):
    ans = "Bad"
    break
print(ans)

Fixed code:
s = str(input())
ans = "Good"
for i in range(10):
  k = str(i)+str(i)
  if(k in s):
    ans = "Bad"
    break
print(ans)
Buggy code:
#131a
S = int(input())
if (S[0]==S[1]) or (S[1]==S[2]) or (S[2]==S[3]:
    print("Bad")
else:
    print("Good")

Fixed code:
#131a
S = str(input())
if (S[0]==S[1]) or (S[1]==S[2]) or (S[2]==S[3]):
    print("Bad")
else:
    print("Good")
Buggy code:
def main():
    S = sorted(int(input()))
    if S[0] == S[1] or S[1] == S[2] or S[2] == S[3]:
        print("Bad")
    else:
        print("Good")


if __name__ == "__main__":
    main()

Fixed code:
def main():
    S = input()
    if S[0] == S[1] or S[1] == S[2] or S[2] == S[3]:
        print("Bad")
    else:
        print("Good")


if __name__ == "__main__":
    main()
Buggy code:
a = input()

prev = a[0]

flag = False

for i in range(1, 4):
  if (prev == a[i]):
    flag = True
    break

if flag:
  print("Bad")
else:
  print("Good")


Fixed code:
a = input()

prev = a[0]

flag = False

for i in range(1, 4):
  if (prev == a[i]):
    flag = True
    break
  prev = a[i]

if flag:
  print("Bad")
else:
  print("Good")
Buggy code:
s = int(input())
if s[0] == s[1] or s[1] == s[2] or s[2] == s[3]:
    print('Bad')
else:
    print('Good')

Fixed code:
s = input()
if s[0]==s[1] or s[1]==s[2] or s[2]==s[3]:
  print("Bad")
else:
  print("Good")
Buggy code:
S = list(input)
if S[0]!=S[1] and S[1]!=S[2] and S[2]!=S[3]:
    print("Bad")
else:
    print("Good")

Fixed code:
S = list(input())
if S[0]!=S[1] and S[1]!=S[2] and S[2]!=S[3]:
    print("Good")
else:
    print("Bad")
Buggy code:
s=int(input())
if s[0]!=s[1] and s[1]!=s[2] and s[2]!=s[3]:
  print('Good')
  
else:
  print('Bad')
  

Fixed code:
s=input()
if s[0]!=s[1] and s[1]!=s[2] and s[2]!=s[3]:
  print('Good')
  
else:
  print('Bad')
Buggy code:
S=input()
if S[0]==S[1] or S[1]==S[2] or S[3]==S[4]:
    print('Bad')
else:
    print('Good')

Fixed code:
S=input()

if S[0]==S[1] or S[1]==S[2] or S[2]==S[3]:
    print("Bad")
else:
    print("Good")
Buggy code:
a=input()
for i in range(len(a)-1):
  if a[i]==a[i+1]:
    flag=True
    break
if flag:
  print('Bad')
else:
  print('Good')

Fixed code:
a=input()
flag=False
for i in range(len(a)-1):
  if a[i]==a[i+1]:
    flag=True
    break
if flag:
  print('Bad')
else:
  print('Good')
Buggy code:
# -*- coding: utf-8 -*-
def main():
    S = list(str(input()))
    #print(S)
    for i in range(len(S)):
        if i == 0:
            t = S[0]
            continue
        else:
            t = S[i-1]
            print(t)
            if t == S[i]:
                print('Bad')
                return
    print('Good')


if __name__ == '__main__':
    main()

Fixed code:
# -*- coding: utf-8 -*-
def main():
    S = list(str(input()))
    #print(S)
    for i in range(len(S)):
        if i == 0:
            t = int(S[0])
            continue
        else:
            t = int(S[i-1])
            #print(t)
            if t == int(S[i]):
                print('Bad')
                return
    print('Good')


if __name__ == '__main__':
    main()
Buggy code:
s = input()
 
for i in range(3):
    if s[i] == s[i+1]:
        print('Bad')
        break
print('Good')

Fixed code:
s = input()
 
for i in range(3):
    if s[i] == s[i+1]:
        print('Bad')
        exit()
print('Good')
Buggy code:
S=input()
if S[0]==S[1] or S[1]==S[2] or S[2]==S[3]:
  print("Bad")
 else:
  print("Good")

Fixed code:
S = str(input())

if S[0] == S[1] or S[1] == S[2] or S[2] == S[3]:
    print('Bad')
else:
    print('Good')
Buggy code:
import sys

code = input()
for i in range(len(code) - 1):
    if code[i] == code[i + 1]:
        print("Good")
        sys.exit()
print("Bad")


Fixed code:
import sys

code = input()
for i in range(len(code) - 1):
    if code[i] == code[i + 1]:
        print("Bad")
        sys.exit()
print("Good")
Buggy code:
l = ['%d%d'%(i, i) for i in range(10)]
S = input()
if S.count(l) > 0:
    print('Bad')
else:
    print('Good')

Fixed code:
l = ['%d%d'%(i, i) for i in range(10)]
S = input()
if sum([S.count(i) for i in l]) > 0:
    print('Bad')
else:
    print('Good')
Buggy code:
s = input()

if s[0] == s[1] or s[1] == s[2] or s[2] = s[3] :
  print("Bad")
else:
  print("Good")

Fixed code:
s = input()

if s[0] == s[1] or s[1] == s[2] or s[2] == s[3] :
  print("Bad")
else:
  print("Good")
Buggy code:
import sys
N = int(input())

if len(N) <= 1:
    print('Good')
    sys.exit()

for i in range(1, len(N)):
    if N[i] == N[i-1]:
        print('Bad')
        sys.exit()

print('Good')

Fixed code:
import sys
N = input()

if len(N) <= 1:
    print('Good')
    sys.exit()

for i in range(1, len(N)):
    if N[i] == N[i-1]:
        print('Bad')
        sys.exit()

print('Good')
Buggy code:
S = int(input())
S = str(S)
i_list = list(S)
i_list = [int(i) for i in i_list]

if i_list[0]==i_list[1] or i_list[1]==i_list[2]or i_list[2]==i_list[3]:
    print('Bad')
else:
    print('Good')

Fixed code:
S = input()
i_list = list(S)
i_list = [int(i) for i in i_list]

if i_list[0] == i_list[1] or i_list[1] == i_list[2] or i_list[2] == i_list[3]:
    print('Bad')
else:
    print('Good')
Buggy code:
s = input()
if s[0] == s[1] or s[1] == s[2] or s[2] == 2[3]:
    print("Bad")
else:
    print("Good")

Fixed code:
s = list(input())
if s[0] == s[1] or s[1] == s[2] or s[2] == s[3]:
  print("Bad")
else:
  print("Good")
Buggy code:
s=int(input())

for i in range(3):
  if s[i] == s[i+1]:
    print("Bad")
    exit()
else:
  print("Good")

Fixed code:
s=input()

for i in range(3):
  if s[i] == s[i+1]:
    print("Bad")
    exit()
else:
  print("Good")
Buggy code:
# input
S = input()

fl = True
for i in range(0, 4):
    if S[i] == S[i + 1]:
        print("Bad")
        fl = False
        break

if fl is True:
    print("Good")

Fixed code:
# input
S = input()

fl = True
for i in range(0, 3):
    if S[i] == S[i + 1]:
        print("Bad")
        fl = False
        break

if fl is True:
    print("Good")
Buggy code:
n=list(input())
if n[0]==n[1] or n[1]=n[2] or n[2]=n[3]:
  print ("Bad")
else:
  print("Good")

Fixed code:
l=list(input())
if l[0]==l[1] or l[1]==l[2] or l[2]==l[3]:
  print("Bad")
else:
  print("Good")
Buggy code:
s = int(input())

ans = "Good"

s_temp = 99

for num in s:
    if int(num) == s_temp:
        ans = "Bad"
        break
    else:
        s_temp = int(num)

print(ans)


Fixed code:
s = input()

ans = "Good"

s_temp = 99

for num in s:
    if int(num) == s_temp:
        ans = "Bad"
        break
    else:
        s_temp = int(num)

print(ans)
Buggy code:
a=list(int(input()))
if a[0]==a[1] or a[0]==a[2] or a[0]==a[3] or a[1]==a[2] or a[1]==a[3] or a[2]==a[3]:
  print('Good')
else:
  print('Bad')

Fixed code:
a = input()
if (a[0]==a[1] or a[1]==a[2] or a[2]==a[3]):
    print('Bad')
else:
    print('Good')
Buggy code:
s=list(int(input()))
f=True
for i in range(1,4):
	if s[i-1]==s[i]:
		f=False
		break
	else:
		continue
if f:
	print("Good")
else:
	print("Bad")

Fixed code:
s=list(str(input()))
f=True
for i in range(1,4):
	if s[i-1]==s[i]:
		f=False
		break
	else:
		continue
if f:
	print("Good")
else:
	print("Bad")
Buggy code:
S = int(input())

if (S[0] == S[1] or S[1] == S[2] or S[2] == S[3]):
    print('Bad')
else:
    print('Good')

Fixed code:
S = str(input())

if (S[0] == S[1] or S[1] == S[2] or S[2] == S[3]):
    print('Bad')
else:
    print('Good')
Buggy code:
s = list(input())

if(s[0] != s[1] and s[0] != s[2] and s[0] != s[3] and s[1] != s[2] and s[1] != s[3] and s[2] != s[3]):
    print("Good")
else:
    print("Bad")

Fixed code:
s = list(input())

if(s[0] != s[1] and  s[1] != s[2] and s[2] != s[3]):
    print("Good")
else:
    print("Bad")
Buggy code:
S = input()
flag = False
for s in S:
  if flag:
    if temp = s:
      print("Bad")
      quit()
  temp = s
  flag = True
print("Good")

Fixed code:
S = input()
flag = False
for s in S:
  if flag:
    if temp == s:
      print("Bad")
      quit()
  temp = s
  flag = True
print("Good")
Buggy code:
S = list(input())
for i in range(len(S)-1):
  if int(S[i])-int(S[i+1]) == 0:
    print('Bat')
    exit()
print('Good')

Fixed code:
S = list(input())
for i in range(len(S)-1):
  if int(S[i])-int(S[i+1]) == 0:
    print('Bad')
    exit()
print('Good')
Buggy code:
a=list(input())
for i in range(len(a)-1):
	if a[i]==a[i+1]:
		print("Good")
	else:print("Bad")

Fixed code:
a=list(input())
for i in range(len(a)-1):
	if a[i]==a[i+1]:
		print("Bad")
		break
else:print("Good")
Buggy code:
s = int(input())
s_o = 10
flag = "ok"
for i in range(s):
    if s_o == i:
        flag = "ng"
if flag == "ng":
    print("Bad")
else:
    print("Good")

Fixed code:
s = input()
s_o = 10
flag = "ok"
for i in s:
    if s_o == i:
        flag = "ng"
    s_o = i
if flag == "ng":
    print("Bad")
else:
    print("Good")
Buggy code:
S = input()
if S[0]==S[1] or S[1]==S[2] or S[2]==S[3] or S[3]==S[4]:
    print("Bad")
else:
    print("Good")

Fixed code:
S=input()

if(S[0]==S[1] or S[1]==S[2] or S[2]==S[3]):
    print("Bad")
else:
    print("Good")
Buggy code:
#14:18
S = input()
for i in range(3):
    if S[i] == S[i+1]:
        print("Bad")
    else:
        print("Good")

Fixed code:
#14:18
S = input()
for i in range(3):
    if S[i] == S[i+1]:
        print("Bad")
        exit()
print("Good")
Buggy code:
S = input()

n=100
check=0

for i in S:
    if i==n:
        check=0
    
    n=i

if check==1:
    print('Bad')
else:
    print('Good')

Fixed code:
S = input()

n=100
check=0

for i in S:
    if i==n:
        check=1
    
    n=i

if check==1:
    print('Bad')
else:
    print('Good')
Buggy code:
def security(s):

    return "Good" if s[0] != s[1] and s[1] != s[2] and s[2] != s[3] else "Bad"
def main():
    s = list(int(input()))
    print(security(s))

if __name__ == '__main__':
    main()


Fixed code:
def security(s):

    return "Good" if s[0] != s[1] and s[1] != s[2] and s[2] != s[3] else "Bad"
def main():
    s = list(str(input()))
    print(security(s))

if __name__ == '__main__':
    main()
Buggy code:
s = input()
s = [i for i in s]
p = str()
for j in range(len(s)):
  if j < len(s):
    if s[j] == s[j + 1]:
      print('Bad')
      exit()
print('Good')

Fixed code:
s = input()
s = [i for i in s]
p = str()
for j in range(len(s) - 1):
  if s[j] == s[j + 1]:
    print('Bad')
    exit()
print('Good')
Buggy code:
S = input()
tmp = S[0]
for num in S[1:]:
    if num == tmp:
        print('Bad')
        exit()
    tmp = num
print('Yes')

Fixed code:
S = input()
tmp = S[0]
for num in S[1:]:
    if num == tmp:
        print('Bad')
        exit()
    tmp = num
print('Good')