qyliang/CodeNanoFix huggingface dataset:
Buggy code:
a = input()
l = list(a)
num = len(l)
TorF = True

if num % 2 == 0:
    b = num/2
    for i in range(b):
        if not a(2*i ) == 'h' and a(2*i + 1) == 'i':
            TorF = False
            break
else:
    TorF = False

if TorF == True:
    print('Yes')
else:
    print('No')

Fixed code:
a = input()
l = list(a)
num = len(l)
TorF = True

if num % 2 == 0:
    b = int(num/2)
    for i in range(b):
        if not (a[2*i] == 'h' and a[2*i + 1] == 'i'):
            TorF = False
            break
else:
    TorF = False

if TorF == True:
    print('Yes')
else:
    print('No')
Buggy code:
s = input()
if s == "hi" * len(s) // 2:
  print("Yes")
else:
  print("No")

Fixed code:
s = input()
if s == "hi" * (len(s) // 2):
  print("Yes")
else:
  print("No")
Buggy code:
S = str(input())
if "hi" = S:
  print("Yes")
elif "hihi" = S:
  print("Yes")
elif "hihihi" = S:
  print("Yes")
elif "hihihihi" = S:
  print("Yes")
else:
  print("No")


Fixed code:
S = str(input())
if "hi" == S:
  print("Yes")
elif "hihi" == S:
  print("Yes")
elif "hihihi" == S:
  print("Yes")
elif "hihihihi" == S:
  print("Yes")
elif "hihihihihi" == S:
  print("Yes") 
else:
  print("No")
Buggy code:
S = input()
l = len(S)


judge=True
if l%2==0:
    for i in range(l//2):
        if not S[2*i:2*(i+1)]=="hi":
            judge=False
    if judge:
        print("Yes")
else:
    print("No")

Fixed code:
S = input()
l = len(S)


judge=True
if l%2==0:
    for i in range(l//2):
        if not S[2*i:2*(i+1)]=="hi":
            judge=False
    if judge:
        print("Yes")
    else:
        print("No")
else:
    print("No")
Buggy code:
S = input()

for i in range(1,6):
  if S is 'hi'*i:
    print('Yes')
    break
    

else:
  print('No')

Fixed code:
S = input()

for i in range(1,6):
  if S == 'hi'*i:
    print('Yes')
    break
    

else:
  print('No')
Buggy code:
S = input()

def getHi(S):
    if len(S) % 2 == 1:
        return "No"
    for i in range(0, len(S)-2, 2):
        if S[i] + S[i+1] != "hi":
            return"No"
    return "Yes"

print(getHi(S))

Fixed code:
S = input()

def getHi(S):
    if len(S) % 2 == 1:
        return "No"
    for i in range(len(S)-1):
        if i % 2 == 0:
            if S[i] + S[i+1] != "hi":
                return"No"
        else:
            if S[i] + S[i+1] != "ih":
                return"No"
    return "Yes"

print(getHi(S))
Buggy code:
s = input()
for i in range(len(s)):
  if i & 1 == 0:
    if s[i] != 'h':
      break
  else:
    if s[i] != 'i':
      break
else:
  if len(s) & 1 == 0:
    print('Yes')
  	exit()
print('No')

Fixed code:
s = input()
for i in range(len(s)):
  if i & 1 == 0:
    if s[i] != 'h':
      break
  else:
    if s[i] != 'i':
      break
else:
  if len(s) & 1 == 0:
    print('Yes')
    exit()
print('No')
Buggy code:
S = input()
for i in range(1, 6):
    if S == 'hi' * i:
        print('Yes')
        break
print('No')

Fixed code:
S = input()

for i in range(1, 6):
    if S == 'hi' * i:
        print('Yes')
        exit()
print('No')
Buggy code:
s = input()

l = len(s)

if l % 2 != 0:
    print("No")
else:
    for i in range(0, l, 2):
        if s[i:i+2] == "hi":
            continue
        else:
            print("No")
            break
    print("Yes")

Fixed code:
s = input()
 
l = len(s)
 
if l % 2 != 0:
    print("No")
else:
    for i in range(0, l, 2):
        if s[i:i+2] == "hi":
            if i == l-2:
                print("Yes") 
            else:
                continue

        else:
            print("No")
            break
Buggy code:
a='hi'
b=''
p=[]
for i in range(6):
    b+=a
    p.append(a)
s=input()
print('Yes' if s in p else 'No')

Fixed code:
a='hi'
b=''
p=[]
for i in range(6):
    b+=a
    p.append(b)
s=input()
print('Yes' if s in p else 'No')
Buggy code:
s=input()
for i in range(1,6):
  if s=='hi'*i:
  print('Yes')
  quit()
print('No')

Fixed code:
s=input()
for i in range(1,6):
  if s=='hi'*i:
    print('Yes')
    quit()
print('No')
Buggy code:
import sys
readline = sys.stdin.buffer.readline

S = readline().strip()
N = len(S)
ans = 'No'
if N%2 == 0:
    for i in range(N//2):
        if S[2*i] != 'h' or S[2*i+1] != 'i':
            break
    else:
        ans = 'Yes'

print(ans)

Fixed code:
import sys
readline = sys.stdin.buffer.readline

S = readline().strip().decode('utf-8')
N = len(S)
ans = 'No'
if N%2 == 0:
    for i in range(N//2):
        if S[2*i] != 'h' or S[2*i+1] != 'i':
            break
        
    else:
        ans = 'Yes'

print(ans)
Buggy code:
str = input()
str = str.lower()
yes = True
for i in range(len(str)):
  print(i % 2 == 0 and str[i] != 'h', i % 2 == 1 and str[i] != 'i')
  if (i % 2 == 0 and str[i] != 'h') or (i % 2 == 1 and str[i] != 'i'):
    yes = False
    print("Yes" if yes else "No")
    break

Fixed code:
str = input()
yes = True
if len(str) % 2 == 1:
  yes = False
for i in range(len(str)):
  if (i % 2 == 0 and str[i] != 'h') or (i % 2 == 1 and str[i] != 'i'):
    yes = False
    break
print("Yes" if yes else "No")
Buggy code:
import sys
readline = sys.stdin.buffer.readline

S = readline().strip()
ans = 'No'
for i in range(1, 8):
    if S == 'hi'*i:
        ans = 'Yes'

print(ans)

Fixed code:
import sys
readline = sys.stdin.buffer.readline

S = input()
ans = 'No'
for i in range(1, 8):
    if S == 'hi'*i:
        ans = 'Yes'

print(ans)
Buggy code:
''' ===========================================
from collections import deque
    appendleft() = push_front(), append = push_back()
    popfleft() = pop_front(), pop() = pop_back()
import heapq #heappush(trgt, val) heappop(trgt) trgt[0] __lt__<
=========================================== '''
##======================================python3
import sys
import collections
from sys import stdin #read(), readline()
input = stdin.readline
sys.setrecursionlimit(10**6)
INF = 1<<50
MINI = 100005

class gv:
    input:str = None;
    
def build():
    gv.str = input()

def solve():
    slen = len(gv.str)
    if (slen&1) == 1:
        print("No")
        return
    
    for i in (0,slen,2):
        if (gv.str[i:i+1] == "hi") :
            pass
        else :
            print("No")
            return
    
    print("Yes")
    
    

if __name__ == '__main__':
    build()
    solve()


Fixed code:
''' ===========================================
from collections import deque
    appendleft() = push_front(), append = push_back()
    popfleft() = pop_front(), pop() = pop_back()
import heapq #heappush(trgt, val) heappop(trgt) trgt[0] __lt__<
=========================================== '''
##======================================python3
import sys
import collections
from sys import stdin #read(), readline()

sys.setrecursionlimit(10**6)
INF = 1<<50
MINI = 100005

class gv:
    input = None;
    
def build():
    gv.str = input()

def solve():
    slen = len(gv.str)
    if (slen&1) == 1:
        print("No")
        return
    
    for i in range(0,slen,2):
        if (gv.str[i:i+2] == "hi") :
            pass
        else :
            print("No")
            return
    
    print("Yes")
    
    

if __name__ == '__main__':
    build()
    solve()
Buggy code:
 input = input()
 if len(input.replace("hi", "")) == 0:
  
    print("Yes")
 else
    print("No")


Fixed code:
input = input()
if len(input.replace("hi", "")) == 0:
  
    print("Yes")
else:
    print("No")
Buggy code:
a=input()
flg=0
for i in range(len(a)//2):
  if not a[2*i]=='h' and a[2*i+1]=='i':
  	flg=1
if flg==1:    
	print("No")
else:
  	print("Yes")

Fixed code:
a=input()
flg=0
for i in range(len(a)//2):
  if not (a[2*i]=='h' and a[2*i+1]=='i'):
  	flg=1      
if len(a)%2!=0 or flg==1:
  print("No")
else:
  print("Yes")
Buggy code:
S = input()
pattern = ''
cnt = len(S)//2
for _ in range(cnt):
    pattern += 'hi'
    print(pattern)
if S == pattern:
    print('Yes')
else:
    print('No')

Fixed code:
S = input()
pattern = 'hi'
cnt = len(S)//2
for _ in range(cnt-1):
    pattern += 'hi'

if S == pattern:
    print('Yes')
else:
    print('No')
Buggy code:

a = input()
print(a)

if a == 'hi' or 'hihi' or 'hihihi' or 'hihihihi' or 'hihihihihi':
    print('Yes')
else:
    print('No')




Fixed code:

a = input()

if a == 'hi' or a =='hihi' or a =='hihihi' or a =='hihihihi' or a =='hihihihihi':
    print('Yes')
else:
    print('No')
Buggy code:
s = input().replace('hi', '')
if len(s):
  print('Yes')
else:
  print('No')

Fixed code:
s=input().replace("hi","")
if len(s)==0:
    print("Yes")
else:
    print("No")
Buggy code:
import sys
s = str(input())
a = 0
if len(s) == 1:
    print('No')
    sys.exit()
for i in range(len(s) - 1):
    if s[i] == 'h' and s[i + 1] == 'i':
        a += 1
if len(s) % 2 == 0:
    if a == len(s) // 2:
        print('Yes')
else:
     print('No')

Fixed code:
import sys
s = str(input())
a = 0
if len(s) == 1:
    print('No')
    sys.exit()
for i in range(len(s) - 1):
    if s[i] == 'h' and s[i + 1] == 'i':
        a += 1
if len(s) % 2 == 0:
    if a == len(s) // 2:
        print('Yes')
        sys.exit()
    else:
        print('No')
        sys.exit()
else:
     print('No')
Buggy code:
s=input()
if len(s)%2==1:
    print("No")
    exit()
for i in range(len(s)//2,2):
    if s[i] != "h" or s[i+1] != "i":
        print("No")
        exit()
print("Yes")

Fixed code:
s=input()
if len(s)%2==1:
    print("No")
    exit()
for i in range(0,len(s),2):
    if s[i] != "h" or s[i+1] != "i":
        print("No")
        exit()
print("Yes")
Buggy code:
S = input()
flag = 0
for i in range(len(S)):
	if i%2 == 0 and S[i] != 'i':
		flag = 1
	if i%2 == 1 and S[i] != 'h':
		flag = 1
if flag == 0:
	print('No')
else:
	print('Yes')

Fixed code:
S = input()
flag = 0
for i in range(len(S)):
	if i%2 == 0 and S[i] != 'h':
		flag = 1
	if i%2 == 1 and S[i] != 'i':
		flag = 1
if flag == 1 or len(S)%2 == 1:
	print('No')
else:
	print('Yes')
Buggy code:
import re
s = input()
# m = re.fullmatch(hi{1,10},s):
# if m = "None":
#     print("No")
# else:
#     print("Yes")

if s == "hi" or "hihi"or "hihihi"  or "hihihihihi" or "hihihihihihi":
    print("Yes")
else:
    print("No")

Fixed code:
# import re
s = input()
# m = re.fullmatch(hi{1,10},s):
# if m = "None":
#     print("No")
# else:
#     print("Yes")

if s == "hi" or s =="hihi"or s == "hihihi"  or s=="hihihihi" or s== "hihihihihi":
    print("Yes")
else:
    print("No")
Buggy code:
import sys
S = input()
a = []
count = 0

for i in range(0, len(S)):
    a.append(S[i])

for k in range(0, len(S)):
    if k % 2 == 0:
        if S[k] == "h":
            if S[k+1] == "i":
                count += 1
            else:
                print("No")
                sys.exit()
        else:
            print("No")
            sys.exit()
    else:
        pass

if len(S) % 2 == 0:
    if count % 2 == 0:
        print("Yes")
    else:
        pass
else:
    if count % 2 == 1:
        print("Yes")
    else:
        pass


Fixed code:
import sys
S = input()
a = []
count = 0

for i in range(0, len(S)):
    a.append(S[i])

if len(S) % 2 == 0:
    for k in range(0, len(S)):
        if k % 2 == 0:
            if S[k] == "h":
                if S[k+1] == "i":
                    count += 1
                else:
                    print("No")
                    sys.exit()
            else:
                print("No")
                sys.exit()
        else:
            pass
else:
    print("No")

if count > 0:
    print("Yes")
Buggy code:
S = input()

if S==hi or S==hihi or S==hihihi or S==hihihihi or S==hihihihihi:
    print('Yes')
else:
    print('No')

Fixed code:
S = input()

if S=='hi' or S=='hihi' or S=='hihihi' or S=='hihihihi' or S=='hihihihihi':
    print('Yes')
else:
    print('No')
Buggy code:
S = str(int())

if S%2 == 0:
  tes = "hi"*int((len(S)/2))
  if S ==tes:
    print("Yes")
  else:
    print("No")
else:
  print("No")

Fixed code:
S = str(input())

if len(S)%2 == 0:
  tes = "hi"*int((len(S)/2))
  if S ==tes:
    print("Yes")
  else:
    print("No")
else:
  print("No")
Buggy code:
s=input()

ans="No"
if len(s)%2==0:
  if s=="hi"*(len(s)//2):
    ans="Yes"

print(ans

Fixed code:
s=input()
 
ans="No"
if len(s)%2==0:
  if s=="hi"*(len(s)//2):
    ans="Yes"

print(ans)
Buggy code:
S = list(input())

word_num = int(len(S)/2)

temp_num = 0

if len(S) % 2 == 0:
    for i in range(word_num):
        if S[2*i]+S[2*i+1] == 'hi':
            pass
        else:
            temp_num += 1
else:
    print('No')

if len(S) % 2 == 0 and temp_num == 0:
    print('Yes')
else:
    pass

Fixed code:
S = list(input())

word_num = int(len(S)/2)

temp_num = 0

if len(S) % 2 == 0:
    for i in range(word_num):
        if S[2*i]+S[2*i+1] == 'hi':
            pass
        else:
            temp_num += 1
else:
    pass

if len(S) % 2 == 0 and temp_num == 0:
    print('Yes')
else:
    print('No')
Buggy code:
s=input()
if s=="hi"or "hihi"or"hihihi"or"hihihihi"or "hihihihihi":
	print("Yes")
else:
  print("No")

Fixed code:
s=input()
if s=="hi" or  s=="hihi" or  s=="hihihi" or  s=="hihihihi" or  s=="hihihihihi" :
        print("Yes")
else:
        print("No")
Buggy code:
s = input()

count = len(s) / 2

if s == 'hi' * count:
  print('Yes')
else:
  print('No')

Fixed code:
s = input()

count = len(s) // 2

if s == 'hi' * count:
  print('Yes')
else:
  print('No')
Buggy code:
S = input()
st = []
if len(S) %2 != 0 :
    print('No')
else :
    for i in range(len(S) // 2) :
        st.append(S[i:i+2])
      
    st = list(set(st))) 
    if len(st) == 1 and st[0] == 'hi' :
        print('Yes')
    else :
        print('No')

Fixed code:

S = input()
st = []
if len(S) %2 != 0 :
    print('No')
else :
    for i in range(len(S) // 2) :
        st.append(S[i*2:i*2+2])
      
    st = list(set(st)) 
    if len(st) == 1 and st[0] == 'hi' :
        print('Yes')
    else :
        print('No')
Buggy code:
if S=='hi' or S=='hihi' or S=='hihihi' or S=='hihihihi' or S=='hihihihihi':
    print("Yes")
else:
    print("No")

Fixed code:
S = input()
if S == "hi" or S == "hihi" or S == "hihihi" or S == "hihihihi" or S == "hihihihihi":
    print("Yes")
else:
    print("No")
Buggy code:
s = input()

result = re.fullmatch("(hi){1,5}",s)

if result == None:
    print("No")
else:
    print("Yes")

Fixed code:
import re

s = input()
 
result = re.fullmatch("(hi){1,5}",s)
 
if result == None:
    print("No")
else:
    print("Yes")
Buggy code:
if S=="hi":
  print("Yes")
  elif S=="hihi":
    print("Yes")
    elif S=="hihihi":
      print("Yes")
      elif S=="hihihihi":
        print("Yes")
        elif S=="hihihihihi":
          print("Yes")
          else print("No")

Fixed code:
S=input()
if S=='hi':
    print('Yes')
elif S=='hihi':
    print('Yes')
elif S=='hihihi':
    print('Yes')
elif S=='hihihihi':
    print('Yes')
elif S=='hihihihihi':
    print('Yes')
else:
    print('No')
Buggy code:
S = input()
if S = "hi"*int(len(S)//2):
    print("Yes")
else:
    print("No")    

Fixed code:
S = input()
if S == "hi"*int(len(S)//2):
    print("Yes")
else:
    print("No")
Buggy code:
h = input().replace("hi", "")
o = "Yes" if len(h) else "No"
print(o)

Fixed code:
h = input().replace("hi", "")
o = "Yes" if h == "" else "No"
print(o)
Buggy code:
a=input()

if a=="hi"*(len(a)//2):
	print("Yes")
else:
	print"No"

Fixed code:
a=input()

if a=="hi"*(len(a)//2):
	print("Yes")
else:
	print("No")
Buggy code:
S = str(input())
if "hi" in S and S.replace('hi', '') == "":
  print("Yes")
else:
  print("No")
print(S.replace('hi', ''))

Fixed code:
S = str(input())
if "hi" in S and S.replace('hi', '') == "":
  print("Yes")
else:
  print("No")
Buggy code:
S = list(input())
flag = True

if len(S) % 2 == 0:
  for i in range(0, len(S), 2):
  if S[i] == 'h' and S[i + 1] == 'i':
    pass
  else:
    flag = not flag
    break
else:
  flag = not flag

if flag:
  print("Yes")
else:
  print("No")

Fixed code:
S = list(input())
flag = True

if len(S) % 2 == 0:
  for i in range(0, len(S), 2):
    if S[i] == 'h' and S[i + 1] == 'i':
      pass
    else:
      flag = not flag
      break
else:
  flag = not flag

if flag:
  print("Yes")
else:
  print("No")
Buggy code:
s=str(input())
if len(s)%2==1:
    print("No")
else:
    is_hitachi=1
    for i in range(len(s)/2):
        if s[2i]!="h" or s[2i+1]!="i":
            is_hitachi=0
            break
    if is_hitachi==1:
        print("Yes")
    else:
        print("No")

Fixed code:
s=str(input())
if len(s)%2==1:
    print("No")
else:
    is_hitachi=1
    for i in range(int(len(s)/2)):
        if s[2*i]!="h" or s[2*i+1]!="i":
            is_hitachi=0
            break
    if is_hitachi==1:
        print("Yes")
    else:
        print("No")
Buggy code:
s=input()
print("Yes"if s=="hi"*(len(s)//2)else"No)

Fixed code:
s=input();print("Yes"if s=="hi"*(len(s)//2)else"No")
Buggy code:
hitatistr = input()
count = 0
flag = "ok"
for i in hitatistr:
  if count % 2 == 0:
    if i != "h":
      flag = "ng"
      break
  else:
    if i != "i":
      flag = "ng"
  count = count + 1
if flag == "ok" and count >= 2 and count % 2 == 1:
  print("Yes")
else:
  print("No")



Fixed code:
hitatistr = input()
count = 0
flag = "ok"
for i in hitatistr:
  if count % 2 == 0:
    if i != "h":
      flag = "ng"
      break
  else:
    if i != "i":
      flag = "ng"
  count = count + 1
if flag == "ok" and count >= 2 and count % 2 == 0:
  print("Yes")
else:
  print("No")
Buggy code:
a = str(input())
b = len(a)
B = int(b/2)
c = 'hi'*B
if a == 'hi':
    print('Yes')
elif b/2 == 1 or b/2 == 2 or b/2 == 3 or b/2 == 4 or b/2 == 5:
    if a == c:
        print('Yes')
else:
    print('No')

Fixed code:
a = str(input())
b = len(a)
B = int(b/2)
c = 'hi'*B
if a == 'hi':
    print('Yes')
elif b/2 == 1 or b/2 == 2 or b/2 == 3 or b/2 == 4 or b/2 == 5:
    if a == c:
        print('Yes')
    else:
        print('No')
else:
    print('No')
Buggy code:
s=input()
if s=='hi' or 'hihi' or 'hihihi' or 'hihihihi' or 'hihihihihi':
	print('Yes')
else:
	print('No')

Fixed code:
s = input()
if s == 'hi' or s == 'hihi' or s == 'hihihi' or s == 'hihihihi' or s == 'hihihihihi':
    print('Yes')
else:
    print('No')
Buggy code:
s=input()
p=s.count("hi")
if p=len(s)//2 and len(s)%2==0:
  print("Yes")
else:
  print("No")

Fixed code:
s=input()
p=s.count("hi")
if p==len(s)//2 and len(s)%2==0:
  print("Yes")
else:
  print("No")
Buggy code:
s=input()
if s='hi' or s='hihi' or s='hihihi' or s='hihihihi' or s='hihihihihi':
  print(Yes)
else:
  print(No)

Fixed code:
s=input()
if s=='hi' or s=='hihi' or s=='hihihi' or s=='hihihihi' or s=='hihihihihi':
    print('Yes')
else:
    print('No')
Buggy code:
s=input()
if len(s)%2==0:
    for i in range(0,len(s)//2):
        if s[2*i]!="h" or s[2*i+1]!="i":
            break
            print("No")
    else:
        print("Yes")
else:
    print("No")

Fixed code:
s=input()
if len(s)%2==0:
    for i in range(0,len(s)//2):
        if s[2*i]!="h" or s[2*i+1]!="i":
            print("No")
            break
            
    else:
        print("Yes")
else:
    print("No")
Buggy code:
S = input()
S2 = ['hi', 'hihi', 'hihihi', 'hihihihi', 'hihihihihi']

if S in S2:
    print('Yes')
else:
    print('NO')

Fixed code:
S = input()
S2 = ['hi', 'hihi', 'hihihi', 'hihihihi', 'hihihihihi']

if S in S2:
    print('Yes')
else:
    print('No')
Buggy code:
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 7)

s = readline().rstrip().decode()
if len(s) % 2 == 1:
    print('No')
    exit()
for i in range(len(s) // 2):
    if i % 2 == 0:
        if s[i] != 'h':
            print('No')
            exit()
    else:
        if s[i] != 'i':
            print('No')
            exit()
print('Yes')


Fixed code:
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 7)

s = readline().rstrip().decode()
if len(s) % 2 == 1:
    print('No')
    exit()
for i in range(len(s)):
    if i % 2 == 0:
        if s[i] != 'h':
            print('No')
            exit()
    else:
        if s[i] != 'i':
            print('No')
            exit()
print('Yes')
Buggy code:
S=input()

pre=S[0]

ans='Yes'

if len(S)%2==1:
    print('No')
else:
    for i in range(len(S)):
        if i%2==1:
            if S[i]!='i':
                ans='NO'
        else:
            if S[i]!='h':
                ans='NO'
    print(ans)

Fixed code:
S=input()

pre=S[0]

ans='Yes'

if len(S)%2==1:
    print('No')
else:
    for i in range(len(S)):
        if i%2==0:
            if S[i]!='h':
                ans='No'
        else:
            if S[i]!='i':
                ans='No'
    print(ans)
Buggy code:
S=input()
if len(S)%2 != 0:
  print("No")
  exit()
for i in range(int(len(S)/2)):
  if S[i*2]!="h":
    print("No")
    exit()
  if S[i*2+1]!="i":
    Print("No")
    exit()
print("Yes")

Fixed code:
S=str(input())
if len(S)%2 != 0:
  print("No")
  exit()
for i in range(int(len(S)/2)):
  if S[i*2]!="h":
    print("No")
    exit()
  if S[i*2+1]!="i":
    print("No")
    exit()
print("Yes")
Buggy code:
import sys
s = input()
if len(s)%2 == 1:
  print('No')
  sys.exit()
for i in range(len(s)):
  if s[i:i+2] != 'hi':
    print('No')
    sys.exit()
print('Yes')

Fixed code:
import sys
s = input()
if len(s)%2 == 1:
  print('No')
  sys.exit()
for i in range(len(s)//2):
  if s[2*i:2*i+2] != 'hi':
    print('No')
    sys.exit()
print('Yes')
Buggy code:
# coding:utf8
S = input()

if S == hi or S ==hihi or S=hihih or S=hihihihi or S=hihihihihi:
    print("Yes")
else :
    print("No")
    

Fixed code:
# coding:utf8
S = input()

if S == "hi" or S =="hihi" or S=="hihihi" or S=="hihihihi" or S=="hihihihihi":
    print("Yes")
else :
    print("No")
Buggy code:
S = input()
S.replace("hi", "")
if S == "":
    print("No")
else:
    print("Yes")

Fixed code:
S = input()
if S.replace("hi", "") == "":
    print("Yes")
else:
    print("No")
Buggy code:
s=input()
n=len(s)
if n%2==1:
  print("No")
  exit()
while 1==1:
  if s[:2]=="hi":
    s=s[2:]
  elif len(s)==0:
    print("Yes")
    exit()
  else:
    print("No")

Fixed code:
s=input()
n=len(s)
if n%2==1:
  print("No")
  exit()
while 1==1:
  if s[:2]=="hi":
    s=s[2:]
  elif len(s)==0:
    print("Yes")
    exit()
  else:
    print("No")
    exit()
Buggy code:
s=input()
if(len(s)<=1):                                                                                            print('No')                                                                                           exit()
                                                                                                      for i in range(len(s)-1):                                                                                 if(s[i]=='h'):
        if(s[i+1]=='i'):
            continue
        else:
            print('No')
            exit()
    elif(s[i]=='i'):
        if(s[i+1]=='h'):
            if(i+2<len(s) and s[i+2]=='i'):
                continue
            else:
                print('No')
                exit()
        else:
            print('No')
            exit()
    else:
        print('No')                                                                                           exit()
print('Yes')

Fixed code:
s=input()
if(len(s)<=1):
    print('No')
    exit()

for i in range(len(s)-1):
    if(s[i]=='h'):
        if(s[i+1]=='i'):
            continue
        else:
            print('No')
            exit()
    elif(0<i and s[i]=='i'):
        if(s[i+1]=='h'):
            if(i+2<len(s) and s[i+2]=='i'):
                continue
            else:
                print('No')
                exit()
        else:
            print('No')
            exit()
    else:
        print('No')
        exit()
print('Yes')
Buggy code:
S = input() 
if 'hi' or 'hihi' or 'hihihihi' or 'hihihihihi':
  print('Yes')
else:
  print('No')

Fixed code:
S = input() 
if (S == 'hi' or S == 'hihi' or S == 'hihihi' or S == 'hihihihi' or S == 'hihihihihi'):
  print('Yes')
else:
  print('No')
Buggy code:
s = input()

n = s.count("hi")
print("Yes" if n*2 == len(n) else "No")

Fixed code:
s = input()

n = s.count("hi")
print("Yes" if n*2 == len(s) else "No")
Buggy code:
a = input()
b = a.split("hi")
c = "".join(b)
print(c)
if len(c) <= 0:
    print("Yes")
else:
    print("No")

Fixed code:
a = input()
b = a.split("hi")
c = "".join(b)
if len(c) <= 0:
    print("Yes")
else:
    print("No")