qyliang/CodeNanoFix huggingface dataset:
Buggy code:
O = list(input())
E = list(input())
password = []
if len(O) - len(E) == 0:
    for i in range(len(O)):
        password.append(O[i])
        password.append(E[i])
elif len(O) - len(E) == 1:
    for i in range(len(E)):
        password.append(O[i])
        password.append(E[i])
    password.append(O[len(O)])
password = "".join(password)

print(password)

Fixed code:
O = list(input())
E = list(input())
password = []
if len(O) - len(E) == 0:
    for i in range(len(O)):
        password.append(O[i])
        password.append(E[i])
elif len(O) - len(E) == 1:
    for i in range(len(E)):
        password.append(O[i])
        password.append(E[i])
    password.append(O[len(O)-1])
password = "".join(password)

print(password)
Buggy code:
O=str(input())
E=str(input())
S=""
if len(O)==len(E):
  for i in range(len(O)):
    S=S+O[i]+E[i]
else:
  for i in range(len(O)-1):
    S=S+O[i]+E[i]
  S=S+O[len(O)]
print(S)

Fixed code:
O=str(input())
E=str(input())
S=""
if len(O)==len(E):
  for i in range(len(O)):
    S=S+O[i]+E[i]
else:
  for i in range(len(O)-1):
    S=S+O[i]+E[i]
  S=S+O[len(O)-1]
print(S)
Buggy code:
#codng utf-8
O=[i for i in input()]
E=[i for i in input()]
m=len(O)
n=len(E)
ans=''
for i in range(len(O)-1):
    ans+=O[i]
    ans+=E[i]
if len(O)-len(E)==0:
    ans+=O[n-1]
    ans+=E[n-1]
    print(ans)
else:
    ans+=O[n-1]
    print(ans)

Fixed code:
#codng utf-8
O=[i for i in input()]
E=[i for i in input()]
m=len(O)
n=len(E)
ans=''
for i in range(len(O)-1):
    ans+=O[i]
    ans+=E[i]
if len(O)-len(E)==0:
    ans+=O[n-1]
    ans+=E[n-1]
    print(ans)
else:
    ans+=O[m-1]
    print(ans)
Buggy code:
Q = list(input())
E = list(input())

while True:
    if len(Q) == 0 and len(E) == 0:
        break

    if len(Q) != 0:
        print(Q.pop(),end="")


    if len(E) != 0:
        print(E.pop(),end="")


Fixed code:
Q = list(input())
E = list(input())

while True:
    if len(Q) == 0 and len(E) == 0:
        break

    if len(Q) != 0:
        print(Q.pop(0),end="")


    if len(E) != 0:
        print(E.pop(0),end="")
Buggy code:
n=input()
a=input()
c=str()
for i in range(0,len(a))
	c+=n[i]+a[i]
print(c if len(n)==len(a) else c+n[len(n)-1])

Fixed code:
n=input()
a=input()
c=str()
for i in range(0,len(a)):
    c+=n[i]+a[i]
print(c if len(n)==len(a) else c+n[len(n)-1])
Buggy code:
s=input()
t=input()
k=[]
for i in range(len(t)):
    k.append(s[i])
    k.append(t[i])
if len(s)>len(t):
    t.append(s[len(s)-1])
print("".join(k))


Fixed code:
s=input()
t=input()
k=[]
for i in range(len(t)):
    k.append(s[i])
    k.append(t[i])
if len(s)>len(t):
    k.append(s[len(s)-1])
print("".join(k))
Buggy code:
o = input()
e = input()
ans_l = [0] * (len(o) + len(e))
for i in range(len(o)):
    ans_l[i*2] = o[i]
for j in range(len(e)):
    ans_l[j*2+1] = e[i]
print(''.join(ans_l))

Fixed code:
o = input()
e = input()
ans_l = [0] * (len(o) + len(e))
for i in range(len(o)):
    ans_l[i*2] = o[i]
for j in range(len(e)):
    ans_l[j*2+1] = e[j]
print(''.join(ans_l))
Buggy code:
o=input()
e=input()

ans=[]
if len(o)==len(e):
    for i in range(len(e)):
        ans.append(o[i])
        ans.append(e[i])
else:
    ans.append(o[0])
    for i in range(len(e)):
        ans.append(o[i+1])
        ans.append(e[i])

print(''.join(ans))


Fixed code:
o = input()
e = input()

ans = []
if len(o) == len(e):
    for i in range(len(e)):
        ans.append(o[i])
        ans.append(e[i])
else:
    ans.append(o[0])
    for i in range(len(e)):
        ans.append(e[i])
        ans.append(o[i+1])

print(''.join(ans))
Buggy code:
a = input()
b = input()
s = ""
for i in range(len(a)+len(b)):
    if i%2==0:a
        s+=a[i//2]
    else:
        s+=b[i//2]
print(s)

Fixed code:
a = input()
b = input()
s = ""
for i in range(len(a)+len(b)):
    if i%2==0:
        s+=a[i//2]
    else:
        s+=b[i//2]
print(s)
Buggy code:
O = [i for i in input()]
E = [i for i in input()]
psw = ''

for i in range(len(E)):
    psw += O[i] + E[i]

if len(O) > len(E):
    psw += O[-1]


print(psw）

Fixed code:
O = [i for i in input()]
E = [i for i in input()]
psw = ''

for i in range(len(E)):
    psw += O[i] + E[i]

if len(O) > len(E):
    psw += O[-1]


print(psw)
Buggy code:
o = input()
e = input()
list = []
for i in range(len(o)-1):
  list.append(o[i] + e[i])
  
if len(e) == len(o):
  list.append(o[len(e)] + e[len(o)])
else:
  list.append(o[len(e)])
  
 
print(*list, sep='')

Fixed code:
o = input()
e = input()
list = []
for i in range(len(o)-1):
  list.append(o[i] + e[i])
  
if len(e) == len(o):
  list.append(o[len(o)-1] + e[len(e)-1])
else:
  list.append(o[len(o)-1])
  
 
print(*list, sep='')
Buggy code:
a = list(input())
b = list(input())
ar = []
if len(a) == len(b):
	for i in range(len(a)):
      ar.append(a[i])
      ar.append(b[i])
else:
  	for i in range(len(b)):
      ar.append(a[i])
      ar.append(a[i])
    ar.append(a[len(a)-1])
print("".join(ar))
   

Fixed code:
a = list(input())
b = list(input())
ar = []
if len(a) == len(b):
    for i in range(len(a)):
        ar.append(a[i])
        ar.append(b[i])
else:
    for i in range(len(b)):
        ar.append(a[i])
        ar.append(b[i])
    ar.append(a[len(a)-1])
print("".join(ar))
Buggy code:
o = list(input())
e = list(input()) + [""]

print(e)
for x, y in zip(o, e):
    print(x + y, end="")

Fixed code:
o = list(input())
e = list(input()) + [""]

for x, y in zip(o, e):
    print(x + y, end="")
Buggy code:
O = input()
E = input()
s = ''
while O or E:
    if len(E) >= len(O):
        s = E.pop() + s
    else:
        s = O.pop() + s
print(s)

Fixed code:
O = list(input())
E = list(input())
s = ''
while O or E:
    if len(E) >= len(O):
        s = E.pop() + s
    else:
        s = O.pop() + s
print(s)
Buggy code:
o = list(input())
e = list(input())
for i in range(len(e)-1):
    print(o[i], end="")
    print(e[i], end="")
if (len(o) - len(e) == 0):
    print(o[-1], end="")
    print(e[-1], end="")
else:
    print(o[-1], end="")

Fixed code:
o = list(input())
e = list(input())
for i in range(len(e)):
    print(o[i], end="")
    print(e[i], end="")
if(len(o)-len(e) == 1):
    print(o[-1], end="")
Buggy code:
O = input()
E = input()

for i in range(len(a)):
    print(O[i] + E[i], end="")

Fixed code:
O = input()
E = input() + " "
for i in range(len(O)): print(O[i]+E[i],end="",sep="")
Buggy code:
O = list(input())
E = list(input())
N = len(O)+len(E)
if len(O)>len(E):
    E += ' '
elif len(O)<len(E):
    O += ' '
print(E)
print(O)
answer = []
for i,j in zip(O,E):
    answer.append(i)
    answer.append(j)
print(''.join(answer))

Fixed code:
O = list(input())
E = list(input())
N = len(O)+len(E)
if len(O)>len(E):
    E += ' '
elif len(O)<len(E):
    O += ' '
answer = []
for i,j in zip(O,E):
    answer.append(i)
    answer.append(j)
print(''.join(answer))
Buggy code:

o = list(input())
e = list(input())
ans = []

count = 0

for i in range(len(o)):
        ans.append(o[i])
        ans.append(e[i])
if len(o) != len(e):
    ans.append(e[-1])

print("".join(ans))


Fixed code:

o = list(input())
e = list(input())
ans = []

count = 0

for i in range(len(e)):
        ans.append(o[i])
        ans.append(e[i])
if len(o) != len(e):
    ans.append(o[-1])

print("".join(ans))
Buggy code:
o=list(input())
e=list(input())+[""]
for x,y in zip(x,y):print(x,y,end="") 

Fixed code:
o = list(input())
e = list(input()) + [""]

for x,y in zip(o,e):print(x + y, end = "")
Buggy code:
O = list(input())
E = list(input())

ans = []

for i in range(len(E)):
    ans.append(O[i])
    ans.append(E[i])

if len(O) > len(E):
    ans.append(O[-1])
print(ans)

Fixed code:
O = list(input())
E = list(input())

ans = []

for i in range(len(E)):
    ans.append(O[i])
    ans.append(E[i])

if len(O) > len(E):
    ans.append(O[-1])
print(''.join(ans))
Buggy code:
O = input()
E = input()
str = ""
i = 0
while True:
  str = str + O[i]
  if len(E)-1<i:
    break
  str = str + E[i]
  i+=1
  
print(str)

Fixed code:
O = input()
E = input()
str = ""
i = 0
while True:
  str += O[i]
  str += E[i]
  i+=1
  if len(E)-1<i:break
if len(O)-len(E)==1:
  str+=O[-1]
print(str)
Buggy code:
O = input()
E = input()
res = ''
for i in range(len(O)):
    res += O[i] + E[i]
if len(O)>len(E):
    res += O[-1]
print(res)

Fixed code:
O = input()
E = input()
res = ''
for i in range(len(E)):
    res += O[i] + E[i]
if len(O)>len(E):
    res += O[-1]
print(res)
Buggy code:
O = input().strip()
E = input().strip()

end = 0
if len(O)-len(E)=1:
  end = 1
ans = ''
for i in range(len(O)-end):
  ans += O[i] + E[i]
if end==1:
  ans += O[-1]
print(ans)

Fixed code:
O = input().strip()
E = input().strip()

end = 0
if len(O)-len(E)==1:
  end = 1
ans = ''
for i in range(len(O)-end):
  ans += O[i] + E[i]
if end==1:
  ans += O[-1]
print(ans)
Buggy code:
o=input()
e=input()
ans=[]
for i in range(2*len(o) -1):
    if i%2==0:
        ans.append(o[i//2])
    else:
        ans.append(e[i//2])

print(*ans, sep='')

Fixed code:
o=input()
e=input()
ans=[]
cnt=0

for i in range(2*len(e)):
    if  i%2==0:
        ans.append(o[i//2])
    else:
        ans.append(e[i//2])

if len(o)!=len(e):
    ans.append(o[-1])

print(*ans, sep='')
Buggy code:
O=input()
E=input()

N=len(O)
M=len(E)
ans=""
for i in range(N):
    ans+=O[i]
    if N-M==1 and i==M-1:
        break
    ans+=E[i]
print(ans)

Fixed code:
O=input()
E=input()

N=len(O)
M=len(E)
ans=""
for i in range(N):
    ans+=O[i]
    if N-M==1 and i==M:
        break
    ans+=E[i]
print(ans)
Buggy code:
O = input()
E = input() + ""
print("".join(o + e for o, e in zip(O, E)))


Fixed code:
O = input()
E = input() + " "
print("".join(o + e for o, e in zip(O, E)).strip())
Buggy code:
o = input()
e = input()
pw = ""
for i in range(e):
    pw+= o[i] + e[i]
if len(o) != len(e):
    pw += o[-1]
print(pw)

Fixed code:
o = input()
e = input()
pw = ""
for i in range(len(e)):
    pw+= o[i] + e[i]
if len(o) != len(e):
    pw += o[-1]
print(pw)
Buggy code:
O=input()
E=input()

for i in range(len(O)):
    print(O[i], E[i], sep="",end="")

Fixed code:
O=list(input())
E=list(input()) + [""]

for i in range(len(O)):
    print(O[i], E[i], sep="",end="")
Buggy code:
o = list(input())
e = list(input()) + []
for i, j in zip(o, e):
    print(i + j, end="")


Fixed code:
o = list(input())
e = list(input()) + [""]
for i, j in zip(o, e):
    print(i + j, end="")
Buggy code:
# -*- coding: utf-8 -*-

if __name__ == '__main__':
    o = input()
    e = input()

    flg = True if len(o) > len(e) else False
    result = ""

#    for i in range(len(e)):
#        tmp = o[i] + e[i]
#        result += tmp

    if flg:
        result += o[-1]

    print(result)


Fixed code:
# -*- coding: utf-8 -*-

if __name__ == '__main__':
    o = input()
    e = input()

    flg = True if len(o) > len(e) else False
    result = ""

    for i in range(len(e)):
        tmp = o[i] + e[i]
        result += tmp

    if flg:
        result += o[-1]

    print(result)
Buggy code:
O = list(input())
E = list(input())
ans = ['0']*(len(O)+len(E))
print(ans)
ans[::2] = O
ans[1::2] = E
print(''.join(ans))

Fixed code:
O = list(input())
E = list(input())
ans = ['0']*(len(O)+len(E))
ans[::2] = O
ans[1::2] = E
print(''.join(ans))
Buggy code:
o = input()
e = input()
oe = "".join([i + j for i, j in zip(o,e)])
print(oe)

Fixed code:
o = input()
e = input()
oe = "".join([i + j for i, j in zip(o,e+"\n")])
print(oe)
Buggy code:
# ABC 58 B

import numpy as np

def resolve():
    O = input()
    E = input()
    ans = ""
    for i in range(len(O)):
        ans += O[i]
        if i < len(E):
            ans += E[i]
    print(ans)


Fixed code:
# ABC 58 B

import numpy as np

def resolve():
    O = input()
    E = input()
    ans = ""
    for i in range(len(O)):
        ans += O[i]
        if i < len(E):
            ans += E[i]
    print(ans)

if __name__ == "__main__":
    resolve()
Buggy code:
pw=[input() for i in range(2)]
length=len(pw[0])
full_pw=[]
i=0
while i < length:
    full_pw.append(pw[0][i])
    if i !=len(pw[0])-1:
        full_pw.append(pw[1][i])
    i+=1

print(*full_pw,sep='')

Fixed code:
pw=[input() for i in range(2)]
length=len(pw[0])
full_pw=[]
i=0
while i < length:
    full_pw.append(pw[0][i])
    if i <=len(pw[1])-1:
        full_pw.append(pw[1][i])
    i+=1

print(*full_pw,sep='')
Buggy code:
o = list(input())
e = list(input())
x=[]
if len(e)==len(o):
	for i in range(len(e)):
		x.append(e[i])
		x.append(o[i])
if len(e)+1==len(o):
	for i in range(len(e)):
		x.append(e[i])
		x.append(o[i])
	x.append(o[len(o)-1])


print(''.join(x))




Fixed code:
o = list(input())
e = list(input())
x=[]
if len(e)==len(o):
	for i in range(len(e)):
		x.append(o[i])
		x.append(e[i])
if len(e)+1==len(o):
	for i in range(len(e)):
		x.append(o[i])
		x.append(e[i])
	x.append(o[len(o)-1])


print(''.join(x))
Buggy code:
# ABC 058: B – ∵∴∵
o, e = [input() for _ in range(2)]
passwd = ''.join([o[i] + e[i] for i in range(len(e))])
print(passwd if len(o) == len(passwd) else passwd + o[-1])

Fixed code:
# ABC 058: B – ∵∴∵
o, e = [input() for _ in range(2)]
passwd = ''.join([o[i] + e[i] for i in range(len(e))])
print(passwd if len(o) == len(e) else passwd + o[-1])
Buggy code:
o = input()
e = input()
pword = []

for i in range(len(e)):
    pword.append(o[i])
    pword.append(e[i])
    if len(o)>len(e):
        pword.append(o[i+1])
print("".join(pword))

Fixed code:
o = input()
e = input()
pword = []

for i in range(len(e)):
    pword.append(o[i])
    pword.append(e[i])
if len(o)>len(e):
    pword.append(o[i+1])
print("".join(pword))
Buggy code:
a=list(input())
b=list(input())

L=[0]*(len(a)*2)
for i in range(len(a)-1):
  L[i*2]=a[i]
  L[i*2+1]=b[i]
L[len(a)*2]=a[-1]

if len(a)>len(b):
  del L[len(a)*2+1]
else:
  L[-1]=b[-1]

print("".join(L))
    
    

Fixed code:
a=list(input())
b=list(input())

L=[0]*(len(a)*2)

if len(a)==len(b):
    for i in range(len(a)):
        L[i*2]=a[i]
        L[i*2+1]=b[i]
else:
  for i in range(len(a)-1):
    L[i*2]=a[i]
    L[i*2+1]=b[i]
  L[-2]=a[-1]
  del L[-1]
 
print("".join(L))
Buggy code:
O, E = input(), input()
print("".join(o + e for o, e in zip(O, E)))

Fixed code:
O, E = input(), input() + " "
print("".join(o + e for o, e in zip(O, E)))
Buggy code:
o=input()
e=input()
print("".join([o[i]+e[i] for i in range(len(e)-1)]),end="")
print(o[-1],end="")
if len(o) == len(e):
  print(e[-1])

Fixed code:
o=input()
e=input()
print("".join([o[i]+e[i] for i in range(len(o)-1)]),end="")
print(o[-1],end="")
if len(o) == len(e):
  print(e[-1])
Buggy code:
a=input()
b=input()
list=[]
for i in range(len(a)-1):
    list.append(a[i])
    list.append(b[i])
if len(a)-len(b)==1:
    list.append(a[i])
print("".join(list))

Fixed code:
a=input()
b=input()
list=[]
if len(a)-len(b)==0:
    for i in range(len(a)):
        list.append(a[i])
        list.append(b[i])
else:
    for i in range(len(a)-1):
        list.append(a[i])
        list.append(b[i])
    list.append(a[-1])
print("".join(list))
Buggy code:
o = input()
e = input()
ans = []
n = len(o)
i = 0
while i < n:
	ans.append(o[i])
	ans.append(e[i])
	i+=1
for i in range(len(ans)):
	if i != len(ans)-1:
		print(ans[i],end="")
	else:
		print(ans[i])

Fixed code:
o = input()
e = input()
ans = []
n = len(o)
i = 0
while i < n:
	ans.append(o[i])
	if i < len(e):
		ans.append(e[i])
	i+=1
for i in range(len(ans)):
	if i != len(ans)-1:
		print(ans[i],end="")
	else:
		print(ans[i])
Buggy code:
o = input()
e = input()
ans = ''
n = len(o)
a = 0
while a < n:
  ans += o[a]
  if a <= len(e):
    ans += e[a]
  a += 1
print(ans)

Fixed code:
o = input()
e = input()
ans = ''
n = len(o)
a = 0
while a < n:
  ans += o[a]
  if a+1 <= len(e):
    ans += e[a]
  a += 1
print(ans)
Buggy code:
o=list(input())
e=list(input())

for i in range(len(o)):
  print(o[i],end="")
  print(o[i],end="")

Fixed code:
o=list(input())
e=list(input())+[""]

for i in range(len(o)):
  print(o[i],end="")
  print(e[i],end="")
Buggy code:
O = input()
E = input()

ans = ""
for i in range(len(O)):
    ans += O[i]
    ans += E[i]
if len(O) > len(E):
    ans += O[-1]

print(ans)

Fixed code:
O = input()
E = input()

ans = ""
for i in range(len(E)):
    ans += O[i]
    ans += E[i]
if len(O) > len(E):
    ans += O[-1]

print(ans)
Buggy code:
o = str(input())
e = str(input())

s = ''

for i in range(len(o)):
  s += o[i]
  s += e[i]

if len(o) == len(e) +1:
  s += o[-1]

print(s)

Fixed code:
o = str(input())
e = str(input())

s = ''

for i in range(len(e)):
  s += o[i]
  s += e[i]

if len(o) == len(e) +1:
  s += o[-1]

print(s)
Buggy code:
#! -*- coding:utf-8 -*-
O = str(input())
E = str(input())
O = list(O)
E = list(E)
n = 0
arr = []
for i in range(len(O)*2):
    if n % 2 == 0:
        arr.append(O.pop(0))
    else:
        arr.append(E.pop(0))
    n += 1
    
for i in range(len(arr)-1):
    print(arr[i],end = '')
print(arr[-1])


Fixed code:
#! -*- coding:utf-8 -*-
O = str(input())
E = str(input())
O = list(O)
E = list(E)
n = 0
arr = []
for i in range(len(O)*2):
    if n % 2 == 0:
        try:
            arr.append(O.pop(0))
        except:
            pass
    else:
        try:
            arr.append(E.pop(0))
        except:
            pass        
    n += 1
try:
    arr.append(O.pop(0))
except:
    pass

for i in range(len(arr)-1):
    print(arr[i],end = '')

print(arr[-1])
Buggy code:
o=input()
e=input()
pw=""
for i in range(len(o)+len(e)):
  if i%2==0:
    pw=pw+e[i//2]
  else:
    pw=pw+o[i//2]
print(pw)

Fixed code:
o=input()
e=input()
pw=""
for i in range(len(o)+len(e)):
  if i%2==0:
    pw=pw+o[i//2]
  else:
    pw=pw+e[i//2]
print(pw)
Buggy code:
O = input()
E = input()
for o,e in zip(O,E):
  print(o,e,end="",sep="")
  if len(O)>len(E):
    print(O[-1],end="")

Fixed code:
O = input()
E = input()
for o,e in zip(O,E):
  print(o,e,end="",sep="")
if len(O)>len(E):
    print(O[-1],end="")
Buggy code:
A = input()
B = input()
print(A,B)
S = list(A)
for i in range(len(B)):
  S.insert(i*2+1,B[i])
print(''.join(map(str, S)))

Fixed code:
A = input()
B = input()
S = list(A)
for i in range(len(B)):
  S.insert(i*2+1,B[i])
print(''.join(map(str, S)))
Buggy code:
O = input()
E = input()
ans = ''
k = len(O)
l = len(E)
if k == l:
  for i in range(k):
    ans += O[i]+E[i]
else:
  for i in range(k-1):
    ans += O[i]+E[i]
    ans + O[k-1]
print(ans)

Fixed code:
O = input()
E = input()
ans = ''
k = len(O)
l = len(E)
if k == l:
  for i in range(k):
    ans += O[i]+E[i]
else:
  for i in range(k-1):
    ans += O[i]+E[i]
  ans += O[k-1]
print(ans)
Buggy code:
O = str(input())
E = str(input())

flg = 0
N = max(len(O), len(E))
if len(O) >= len(E):
  flg = 1

ans = ''
if flg:
  for i in range(N):
    if i == N-1:
      ans += O[i]
    else:
      ans += O[i] + E[i]
else:
  for i in range(N):
    ans += O[i] +E[i]
print(ans)


Fixed code:
O = str(input())
E = str(input())

flg = 0
N = max(len(O), len(E))
if len(O) > len(E):
  flg = 1

ans = ''
if flg:
  for i in range(N):
    if i == N-1:
      ans += O[i]
    else:
      ans += O[i] + E[i]
else:
  for i in range(N):
    ans += O[i] +E[i]
print(ans)
Buggy code:
o=input()
e=input()
print(''.join(['{}{}'.format(a,b) for a,b in zip(o,e)]))


Fixed code:
o=input()
e=input()+' '
print((''.join(['{}{}'.format(a,b) for a,b in zip(o,e)])).replace(' ',''))
Buggy code:
o=list(input())
m=list(input())
"""
ans=' '
for i in range(len(o)-1):
            
                        ans +=o[i]
                        ans +=m[i]

ans+=o[-1] 
print(ans)         
"""
ans=[]
for i in range(len(o)-1):
            ans.append(o[i])
            ans.append(m[i])
ans.append(o[-1])
print("".join(ans))




Fixed code:
o=list(input())
m=list(input())

ans=[]
for i in range(len(o)-1):
            ans.append(o[i])
            ans.append(m[i])
ans.append(o[-1])
if len(o)==len(m):
            ans.append(m[-1])
print("".join(ans))
Buggy code:
import sys
import math
import itertools
import collections
import heapq
import re
import numpy as np
from functools import reduce

rr = lambda: sys.stdin.readline().rstrip()
rs = lambda: sys.stdin.readline().split()
ri = lambda: int(sys.stdin.readline())
rm = lambda: map(int, sys.stdin.readline().split())
rl = lambda: list(map(int, sys.stdin.readline().split()))
inf = float('inf')
mod = 10**9 + 7

o = rr()
e = rr()
s = ''
for a, b in zip(o, e):
  s += a + b
print(s)








Fixed code:
import sys
import math
import itertools
import collections
import heapq
import re
import numpy as np
from functools import reduce

rr = lambda: sys.stdin.readline().rstrip()
rs = lambda: sys.stdin.readline().split()
ri = lambda: int(sys.stdin.readline())
rm = lambda: map(int, sys.stdin.readline().split())
rl = lambda: list(map(int, sys.stdin.readline().split()))
inf = float('inf')
mod = 10**9 + 7

o = rr()
e = rr()
s = ''
for a, b in itertools.zip_longest(o, e, fillvalue=''):
  s += a + b
print(s)
Buggy code:
o = int(input())
e = int(input())
if len(o)-len(e)==1:
  x = o[-1]
else:
  x = ''
ans = ''
for i in range(len(e)):
  ans += o[i] + e[i]
ans += x
print(ans)

Fixed code:
o = input()
e = input()
if len(o)-len(e)==1:
  x = o[-1]
else:
  x = ''
ans = ''
for i in range(len(e)):
  ans += o[i] + e[i]
ans += x
print(ans)
Buggy code:
O=str(input())
E=str(input())
m=max(len(O),len(E))
for i in range(m):
 if (i<len(O)):
  print (O[i], end=" ")
 if (i<len(E)):
  print(E[i], end=" ")


Fixed code:
O=str(input())
E=str(input())
m=max(len(O),len(E))
for i in range(m):
 if (i<len(O)):
  print (O[i], end="")
 if (i<len(E)):
  print(E[i], end="")
Buggy code:
import sys

ostr = sys.stdin.readline().strip()
estr = sys.stdin.readline().strip()

num = len(estr)
ans = ""

for i in range(num):
    ans += ostr[i] + estr[i]

print(ans)


Fixed code:
import sys

ostr = sys.stdin.readline().strip()
estr = sys.stdin.readline().strip()

num = len(estr)
ans = ""

for i in range(num):
    ans += ostr[i] + estr[i]

if len(ostr) > num:
    ans += ostr[num]

print(ans)
Buggy code:
a = list(input())
b = list(input())

c = []

aa = len(a)
bb = len(b)

if aa == bb:
    for i in range(aa):
        x = a[i] 
        y = b[i]
        c.append(x)
        c.append(y)
else:
    m = a.pop(-1)
    for i in range(aa -1):
        x = a[i] 
        y = b[i]
        c.append(x)
        c.append(y)
        c.append(m)
        
print(''.join(c))

Fixed code:
a = list(input())
b = list(input())

c = []

aa = len(a)
bb = len(b)

if aa == bb:
    for i in range(aa):
        x = a[i] 
        y = b[i]
        c.append(x)
        c.append(y)
else:
    m = a.pop(-1)
    for i in range(aa -1):
        x = a[i] 
        y = b[i]
        c.append(x)
        c.append(y)
    c.append(m)
        
print(''.join(c))
Buggy code:
O = str(input())
E = str(input())

ma = max(len(O), len(E))

for i in range(ma):
    if (i < len(O)):
        print(O[i], end="")
    if (i < len(E)):
        print(E[i], end="")
----


Fixed code:
O = str(input())
E = str(input())

ma = max(len(O), len(E))

for i in range(ma):
    if (i < len(O)):
        print(O[i], end="")
    if (i < len(E)):
        print(E[i], end="")
Buggy code:
O = input()
E = input()
ans = ''
if O>E:
    ans += O[0]
    O = O[1:]
    for o, e in zip(O,E):
        ans += (e + o)
else:
    for o, e in zip(O, E):
        ans += (o + e)
print(ans)


Fixed code:
O = input()
E = input()
ans = ''
if len(O) > len(E):
    ans += O[0]
    O = O[1:]
    for o, e in zip(O, E):
        ans += (e + o)
else:
    for o, e in zip(O, E):
        ans += (o + e)
print(ans)
Buggy code:
# -*- coding: utf-8 -*-

o = list(input())
e = list(input())

if len(o) == len(e):
    for i in range(len(o) - 1):
        print(o[i], end = '')
        print(e[i], end = '')
    print(o[len(o) - 1], end = '')
    print(e[len(e) - 1])

else:
    for i in range(min(len(o), len(e))):
        print(o[i], end = '')
        print(e[i], end = '')
    if len(e) > len(o):
        print(e[len(e) - 1])
    if len(o) < len(e):
        print(o[len(o) - 1])


Fixed code:
# -*- coding: utf-8 -*-
o = list(input())
e = list(input())

len_o = len(o)
len_e = len(e)

if len_o == len_e:
    for i in range(len_o - 1):
        print(o[i], end = '')
        print(e[i], end = '')
    print(o[len_o - 1], end = '')
    print(e[len_e - 1])

else:
    for i in range(min(len_o, len_e)):
        print(o[i], end = '')
        print(e[i], end = '')
    if len_e > len_o:
        print(e[len(e) - 1])
    if len_o > len_e:
        print(o[len(o) - 1])