Buggy python submission (verdict: Runtime Error):
s = list(input())
flag = True
ans = True
if len(s) == 1 || len(s)>10:
        ans = False
if len(s) != 1 and len(s) <=10:
    while s :
        if flag:
            if s.pop() == 'i':
                ans = True
                flag = False
            else:
                ans = False
                break
        else:
            if s.pop() == 'h':
                ans = True
                flag = True
            else:
                ans = False
                break
if ans:
    print('Yes')
else:
    print('No')

Fixed submission:
s = input()
ans = False
if len(s) < 1 or len(s) >10:
    ans = False
if len(s) >= 1 or len(s) <= 10:
    if s == 'hi' or s == 'hihi' or s == 'hihihi' or s == 'hihihihi' or s == 'hihihihihi':
        ans =True
    else:
        ans =False
if ans:
    print ('Yes')
else:
    print('No')

Buggy python submission (verdict: Runtime Error):
s = list(input())
flag = True
ans == True
if len(s) == 1:
        ans = False
if len(s) != 1:
    while s :
        if flag:
            if s.pop() == 'i':
                ans = True
                flag = False
            else:
                ans = False
                break
        else:
            if s.pop() == 'h':
                ans = True
                flag = True
            else:
                ans = False
                break
if ans:
    print('Yes')
else:
    print('No')

Fixed submission:
s = input()
ans = False
if len(s) < 1 or len(s) >10:
    ans = False
if len(s) >= 1 or len(s) <= 10:
    if s == 'hi' or s == 'hihi' or s == 'hihihi' or s == 'hihihihi' or s == 'hihihihihi':
        ans =True
    else:
        ans =False
if ans:
    print ('Yes')
else:
    print('No')

Buggy python submission (verdict: Runtime Error):
s = list(input())
flag = True
ans == True
if len(s) == 1:
        ans = False
if len(s) != 1:
    while s :
        if flag:
            if s.pop() == 'i':
                ans = True
                flag = False
            else:
                ans = False
                break
        else:
            if s.pop() == 'h':
                ans = True
                flag = True
            else:
                ans = False
                break
if ans:
    print('Yes')
else:
    print('No')

Fixed submission:
s = input()
ans = False
if len(s) < 1 or len(s) >10:
    ans = False
if len(s) >= 1 or len(s) <= 10:
    if s == 'hi' or s == 'hihi' or s == 'hihihi' or s == 'hihihihi' or s == 'hihihihihi':
        ans =True
    else:
        ans =False
if ans:
    print ('Yes')
else:
    print('No')

Buggy python submission (verdict: Runtime Error):
s = list(input())
flag = True
ans == True
if len(s) == 1:
        ans = False
if len(s) != 1:
    while s :
        if flag:
            if s.pop() == 'i':
                ans = True
                flag = False
            else:
                ans = False
                break
        else:
            if s.pop() == 'h':
                ans = True
                flag = True
            else:
                ans = False
                break
if ans:
    print('Yes')
else:
    print('No')

Fixed submission:
s = input()
ans = False
if len(s) < 1 or len(s) >10:
    ans = False
if len(s) >= 1 or len(s) <= 10:
    if s == 'hi' or s == 'hihi' or s == 'hihihi' or s == 'hihihihi' or s == 'hihihihihi':
        ans =True
    else:
        ans =False
if ans:
    print ('Yes')
else:
    print('No')

Buggy python submission (verdict: Runtime Error):
s = list(input())
flag =True
for i in range(len(s)):
  if s[i] == 'h':
    if s[i+1] == 'i':
      flag =True
    else:
      flag =False
  else if s[i] == 'i':
    if s[i+1] == 'h':
      flag =True
    else:
      flag =False
  else:
    flag =False
if flag:
  print('Yes')
else:
  print('No')
    
    

Fixed submission:
s = input()
ans = False
if len(s) < 1 or len(s) >10:
    ans = False
if len(s) >= 1 or len(s) <= 10:
    if s == 'hi' or s == 'hihi' or s == 'hihihi' or s == 'hihihihi' or s == 'hihihihihi':
        ans =True
    else:
        ans =False
if ans:
    print ('Yes')
else:
    print('No')