Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
import math

def combinations_count(n, r):
    return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))

if not 0 <= n <= 100 and 0 <= m <= 100 and 2 <= n + m:
    print('Unsupported...')  
if n >= 2:
    n_comb = combinations_count(n, 2)
else:
    n_comb = 0
if m >= 2:
    m_comb = combinations_count(m, 2)
else:
    m_comb = 0
    
print(n_comb + m_comb)

Fixed submission:
import math

def combinations_count(n, r):
    return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))

n, m = map(int, input().split())

if not 0 <= n <= 100 and 0 <= m <= 100 and 2 <= n + m:
    print('Unsupported...')  
if n >= 2:
    n_comb = combinations_count(n, 2)
else:
    n_comb = 0
if m >= 2:
    m_comb = combinations_count(m, 2)
else:
    m_comb = 0
    
print(n_comb + m_comb)
Buggy python submission (verdict: Runtime Error):
import collections
import math

n = int(input())
li = list(map(int, input().split()))
counter = collections.Counter(li)


def combinations_count(n, r):
    return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))

sum_count = sum([combinations_count(n, 2) for n in counter.values()])

for k in range(n):
    print(sum_count - counter[li[k]] + 1)

Fixed submission:
import collections

n = int(input())
li = list(map(int, input().split()))
counter = collections.Counter(li)

sum_count = sum([n*(n-1)//2 for n in counter.values()])

for k in range(n):
    print(sum_count - counter[li[k]] + 1)

Buggy python submission (verdict: Runtime Error):
import collections
import math

def combinations_count(n, r):
    return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))

n = int(input())
li = list(map(int, input().split()))
counter = collections.Counter(li)

sum_count = sum([combinations_count(n, 2) for n in counter.values()])

for k in range(n):
    print(sum_count - counter[li[k]] + 1)

Fixed submission:
import collections

n = int(input())
li = list(map(int, input().split()))
counter = collections.Counter(li)

sum_count = sum([n*(n-1)//2 for n in counter.values()])

for k in range(n):
    print(sum_count - counter[li[k]] + 1)
Buggy python submission (verdict: Runtime Error):
n, a, b = map(int, input().split())
if n == (a + b):
    print(a)
else:
    q = n // (a + b)
    mod = n % (a + b)
    if mod > a:
    print(a * q + a)
    else:
        print(a * q + mod)

Fixed submission:
n, a, b = map(int, input().split())
if n == (a + b):
    print(a)
else:
    q = n // (a + b)
    mod = n % (a + b)
    if mod > a:
        print(a * q + a)
    else:
        print(a * q + mod)

Buggy python submission (verdict: Runtime Error):
n, a, b = map(int, input().split())
if n == (a + b):
    print(a)
else:
    q, mod = divmod(n, (a + b))
    if mod > a:
    print(a * q + a)
    else:
        print(a * q + mod)

Fixed submission:
n, a, b = map(int, input().split())
if n == (a + b):
    print(a)
else:
    q = n // (a + b)
    mod = n % (a + b)
    if mod > a:
        print(a * q + a)
    else:
        print(a * q + mod)
Buggy python submission (verdict: Time Limit Exceeded):
from collections import deque

S = input()
Q = int(input())

S = deque(S)

for _ in range(Q):
    query = input()
    if query[0] == '1':
        S.reverse()
    elif query[0] == '2':
        _, F, C = query.split()
        if F == '1':
            S.appendleft(C)
        elif F == '2':
            S.append(C)
            
result = ''.join(S)
print(result)

Fixed submission:
from collections import deque

S = input()
Q = int(input())

S = deque(S)
reverse = False

for _ in range(Q):
    query = input()
    if query[0] == '1':
        reverse = not reverse
    elif query[0] == '2':
        _, F, C = query.split()
        if F == '1':
            if reverse:
                S.append(C)
            else:
                S.appendleft(C)
        elif F == '2':
            if reverse:
                S.appendleft(C)
            else:
                S.append(C)
            
result = ''.join(S)
if reverse:
    result = result[::-1]
print(result)

Buggy python submission (verdict: Time Limit Exceeded):
from collections import deque

S = input()
Q = int(input())

S = deque(S)

for _ in range(Q):
    query = list(input().split())
    if query[0] == '1':
        S.reverse()
    elif query[0] == '2':
        if query[1] == '1':
            S.appendleft(query[2])
        elif query[1] == '2':
            S.append(query[2])
            
result = ''.join(S)
print(result)

Fixed submission:
from collections import deque

S = input()
Q = int(input())

S = deque(S)
reverse = False

for _ in range(Q):
    query = input()
    if query[0] == '1':
        reverse = not reverse
    elif query[0] == '2':
        _, F, C = query.split()
        if F == '1':
            if reverse:
                S.append(C)
            else:
                S.appendleft(C)
        elif F == '2':
            if reverse:
                S.appendleft(C)
            else:
                S.append(C)
            
result = ''.join(S)
if reverse:
    result = result[::-1]
print(result)

Buggy python submission (verdict: Time Limit Exceeded):
S = input()
Q = int(input())

for _ in range(Q):
    query = list(input().split())
    if query[0] == '1':
        S = S[::-1]
    elif query[0] == '2':
        if query[1] == '1':
            S = query[2] + S
        elif query[1] == '2':
            S = S + query[2]
            
print(S)

Fixed submission:
from collections import deque

S = input()
Q = int(input())

S = deque(S)
reverse = False

for _ in range(Q):
    query = input()
    if query[0] == '1':
        reverse = not reverse
    elif query[0] == '2':
        _, F, C = query.split()
        if F == '1':
            if reverse:
                S.append(C)
            else:
                S.appendleft(C)
        elif F == '2':
            if reverse:
                S.appendleft(C)
            else:
                S.append(C)
            
result = ''.join(S)
if reverse:
    result = result[::-1]
print(result)
Buggy python submission (verdict: Runtime Error):
import numpy as np


def main():
    bingo_card = np.array([list(map(int, input().split())) for _ in range(3)])
    counter = int(input())

    for _ in range(counter):
        bingo_card = np.where(bingo_card == int(input()), 0, bingo_card)

    vertical_bingo = min(np.sum(bingo_card, axis=0)) == 0
    horizontal_bingo = min(np.sum(bingo_card, axis=1)) == 0

    diag_normal_bingo = bingo_card[0][0] == 0 and bingo_card[1][1] == 0 and bingo_card[2][2] == 0
    diag_reverse_bingo = bingo_card[0][2] == 0 and bingo_card[1][1] == 0 and bingo_card[2][0] == 0

    if vertical_bingo or horizontal_bingo or diag_normal_bingo or diag_reverse_bingo:
        print('Yes')
        exit()
    else:
        print('No')


if __name__ == '__main__':
    main()

Fixed submission:
table_1 = input().split()
table_2 = input().split()
table_3 = input().split()
bingo_card = table_1 + table_2 + table_3

N = int(input())

for _ in range(N):
    b = str(int(input()))
    if b in bingo_card:
        bingo_card[bingo_card.index(b)] = True
        
if bingo_card[0] == bingo_card[1] == bingo_card[2]:
    print('Yes')
elif bingo_card[3] == bingo_card[4] == bingo_card[5]:
    print('Yes')
elif bingo_card[6] == bingo_card[7] == bingo_card[8]:
    print('Yes')
elif bingo_card[0] == bingo_card[3] == bingo_card[6]:
    print('Yes')
elif bingo_card[1] == bingo_card[4] == bingo_card[7]:
    print('Yes')
elif bingo_card[2] == bingo_card[5] == bingo_card[8]:
    print('Yes')
elif bingo_card[0] == bingo_card[4] == bingo_card[8]:
    print('Yes')
elif bingo_card[2] == bingo_card[4] == bingo_card[6]:
    print('Yes')
else:
    print('No')
Buggy python submission (verdict: Runtime Error):
n, r = map(int, input().split())
d = []

while n > 0:
    d.append(n % k)
    n = n // k
    
print(len(d))

Fixed submission:
n, k = map(int, input().split())
ans = 0
while n > 0:
    n = n // k
    ans += 1
print(ans)

Buggy python submission (verdict: Runtime Error):
from collections import deque

n, r = map(int, input().split())
d = deque()

while n > 0:
    d.append(n % k)
    n = n // k
    
print(len(d))

Fixed submission:
n, k = map(int, input().split())
ans = 0
while n > 0:
    n = n // k
    ans += 1
print(ans)

Buggy python submission (verdict: Runtime Error):
from collections import deque

n, r = map(int, input().split())
d = deque()

while n > 0:
    d.append(n % k)
    n = n // k
    
print(len(d))

Fixed submission:
n, k = map(int, input().split())
ans = 0
while n > 0:
    n = n // k
    ans += 1
print(ans)
Buggy python submission (verdict: Runtime Error):
import numpy as np

n = int(input())
x = list(map(int, input().split()))
p = round(sum(x) / len(x))
x_arr = np.array(x)
print(sum((x_arr - p) ** 2))

Fixed submission:
import numpy as np

n = int(input())
x = list(map(int, input().split()))
p = round(sum(x) / len(x))
x_arr = np.array(x)
print(sum((x_arr - p) ** 2))
Buggy python submission (verdict: Time Limit Exceeded):
import collections


def main():
    n = int(input())
    word_list = []

    for _ in range(n):
        word_list.append(input())

    c = collections.Counter(word_list)
    most_freq_word = sorted([i for i in c if c[i] == max(c.values())])
    print('\n'.join(most_freq_word))


if __name__ == '__main__':
    main()

Fixed submission:
import collections


def main():
    n = int(input())
    word_list = []

    for _ in range(n):
        word_list.append(input())

    c = collections.Counter(word_list)
    max_freq = max(c.values())
    most_freq_word = sorted([i for i in c if c[i] == max_freq])
    print('\n'.join(most_freq_word))


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Time Limit Exceeded):
import collections


def main():
    n = int(input())
    word_list = []

    for _ in range(n):
        word_list.append(input())

    c = collections.Counter(word_list)
    most_freq_word = [i for i in c if c[i] == max(c.values())]

    most_freq_word.sort()
    s = '\n'.join(most_freq_word)
    print(s)


if __name__ == '__main__':
    main()

Fixed submission:
import collections


def main():
    n = int(input())
    word_list = []

    for _ in range(n):
        word_list.append(input())

    c = collections.Counter(word_list)
    max_freq = max(c.values())
    most_freq_word = sorted([i for i in c if c[i] == max_freq])
    print('\n'.join(most_freq_word))


if __name__ == '__main__':
    main()
Buggy python submission (verdict: Runtime Error):
def main():
    n, m = map(int, input().split())
    ac = [0] * m
    pena = [0] * m

    for _ in range(m):
        p, s = map(str, input().split())
        p = int(p) - 1
        if ac[p] == 0 and s == 'WA':
            pena[p] += 1
        else:
            ac[p] = 1
    print()


if __name__ == '__main__':
    main()

Fixed submission:
import numpy as np


def main():
    n, m = map(int, input().split())
    ac = np.array([0] * n)
    pena = np.array([0] * n)
    # 
    for _ in range(m):
        p, s = map(str, input().split())
        p = int(p) - 1
        if ac[p] == 0 and s == 'WA':
            pena[p] += 1
        else:
            ac[p] = 1
    print(sum(ac), sum(ac * pena))


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Runtime Error):
def main():
    n, m = map(int, input().split())
    ac = [0] * m
    pena = [0] * m

    for _ in range(m):
        p, s = map(str, input().split())
        p = int(p) - 1
        if ac[p] == 0 and s == 'WA':
            pena[p] += 1
        else:
            ac[p] = 1
    print()


if __name__ == '__main__':
    main()

Fixed submission:
import numpy as np


def main():
    n, m = map(int, input().split())
    ac = np.array([0] * n)
    pena = np.array([0] * n)
    # 
    for _ in range(m):
        p, s = map(str, input().split())
        p = int(p) - 1
        if ac[p] == 0 and s == 'WA':
            pena[p] += 1
        else:
            ac[p] = 1
    print(sum(ac), sum(ac * pena))


if __name__ == '__main__':
    main()
Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline

INF = float('inf')


def main():
    A, B, K = map(int, input().split())

    for _ in range(K):
        if A > 0:
            A -= 1
        elif B > 0:
            B -= 1
    print(A, B)


if __name__ == '__main__':
    main()


Fixed submission:
import sys
input = sys.stdin.readline

INF = float('inf')


def main():
    A, B, K = map(int, input().split())

    if A <= K:
        print(0, max(0, B - K + A))
    else:
        print(A - K, B)


if __name__ == '__main__':
    main()
Buggy python submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline

import numpy as np
import scipy as sp
from collections import Counter, deque

INF = float('inf')
weekly = ['SUN', 'MON', 'TUE', 'WED', 'THU', 'FRI', 'SAT']


def main():
    S = input().rstrip()
    index = weekly.index(S)
    print(-(index - len(weekly)))


if __name__ == '__main__':
    main()


Fixed submission:
import sys
input = sys.stdin.readline
from collections import Counter, deque

INF = float('inf')
weekly = ['SUN', 'MON', 'TUE', 'WED', 'THU', 'FRI', 'SAT']


def main():
    S = input().rstrip()
    index = weekly.index(S)
    print(-(index - len(weekly)))


if __name__ == '__main__':
    main()
Buggy python submission (verdict: Runtime Error):
import sys
sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline
from itertools import permutations,  combinations, accumulate
from functools import *
from collections import deque, defaultdict, Counter
from heapq import heapify, heappop, heappush, heappushpop

INF = float('inf')
NIL = - 1

""" Input
S = input().rstrip()
N, A, B = map(int, input().split())
A = list(map(int, input().split()))
D = [int(input()) for _ in range(N)]
"""

import numpy as np

N = int(input())
arr = np.arange(1, N + 1)
t_arr = np.append(arr[1:], arr[0])
print(sum(arr % t_arr))


# def main():


# if __name__ == '__main__':
#     main()


Fixed submission:
import sys
sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline
from itertools import permutations,  combinations, accumulate
from functools import *
from collections import deque, defaultdict, Counter
from heapq import heapify, heappop, heappush, heappushpop

INF = float('inf')
NIL = - 1


# def gen_counter(stop=10):
#     index = 1
#     while True:
#         if stop < index:
#             break
#         yield index
#         index += 1


N = int(input())
res = (N - 1) * N // 2
print(res)


# arr = np.arange(1, N + 1)
# t_arr = np.append(arr[1:], arr[0])
# print(sum(arr % t_arr))

Buggy python submission (verdict: Runtime Error):
import sys
sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline
from itertools import permutations,  combinations, accumulate
from functools import *
from collections import deque, defaultdict, Counter
from heapq import heapify, heappop, heappush, heappushpop

INF = float('inf')
NIL = - 1

""" Input
S = input().rstrip()
N, A, B = map(int, input().split())
A = list(map(int, input().split()))
D = [int(input()) for _ in range(N)]
"""

import numpy as np

N = int(input())
arr = np.arange(1, N + 1)
t_arr = np.append(arr[1:], arr[0])

mod_arr = arr % t_arr
print(sum(mod_arr))


# def main():


# if __name__ == '__main__':
#     main()


Fixed submission:
import sys
sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline
from itertools import permutations,  combinations, accumulate
from functools import *
from collections import deque, defaultdict, Counter
from heapq import heapify, heappop, heappush, heappushpop

INF = float('inf')
NIL = - 1


# def gen_counter(stop=10):
#     index = 1
#     while True:
#         if stop < index:
#             break
#         yield index
#         index += 1


N = int(input())
res = (N - 1) * N // 2
print(res)


# arr = np.arange(1, N + 1)
# t_arr = np.append(arr[1:], arr[0])
# print(sum(arr % t_arr))
Buggy python submission (verdict: Runtime Error):
import sys
sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline
from itertools import permutations,  combinations, accumulate
from functools import *
from collections import deque, defaultdict, Counter
from heapq import heapify, heappop, heappush, heappushpop

INF = float('inf')
NIL = - 1


class Node:
    def __init__(self, parent, left):
        """
        Left-child, Right-sibiling
        """
        self.parent = parent
        self.left = left
        self.right = []
        self.point = 0

    def __str__(self):
        return f'parent = {self.parent}, left = {self.left}, right = {self.right}, point = {self.point}'


def set_point(T, node, point):
    T[node].point += point

    if T[node].left != NIL:
        l_child = T[node].left
        set_point(T, l_child, point)
        # T[l_child].point += point

    if T[node].right:
        for idx in range(len(T[node].right)):
            r_child = T[node].right[idx]
            set_point(T, r_child,  point)
            # T[r_child].point += point


N, Q = map(int, input().split())
T = {k: Node(NIL, NIL) for k in range(N)}

for i in range(N - 1):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    if T[a].left == NIL:
        left_child = b
        T[a].left = left_child
        T[left_child].parent = a
    else:
        T[a].right.append(b)
        T[b].parent = a

# for i in range(N):
#     print(i, T[i])

for j in range(Q):
    p, x = map(int, input().split())
    p -= 1
    set_point(T, p, x)


scores = []
for i in range(N):
    scores.append(T[i].point)

print(*scores)

# def main():


# if __name__ == '__main__':
#     main()


Fixed submission:
import sys
sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline
from itertools import permutations,  combinations, accumulate
from functools import *
from collections import deque, defaultdict, Counter
from heapq import heapify, heappop, heappush, heappushpop

INF = float('inf')
NIL = - 1


N, Q = map(int, input().split())
AB = [[int(x) for x in input().split()] for _ in range(N - 1)]
PX = [[int(x) for x in input().split()] for _ in range(Q)]

graph = [[] for _ in range(N + 1)]
for a, b in AB:
    graph[a].append(b)
    graph[b].append(a)

value = [0] * (N + 1)
for p, x in PX:
    value[p] += x

q = [(1, 0)]
while q:
    x, parent = q.pop()
    value[x] += value[parent]
    for y in graph[x]:
        if y == parent:
            continue
        q.append((y, x))

ans = ' '.join(map(str, value[1:]))
print(ans)
Buggy python submission (verdict: Runtime Error):
import sys
sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline
from itertools import permutations,  combinations, accumulate
from functools import *
from collections import deque, defaultdict, Counter
from heapq import heapify, heappop, heappush, heappushpop
from math import gcd

INF = float('inf')
NIL = - 1


def lcm(x, y):
    return (x * y) // gcd(x, y)


A, B, C, D = map(int, input().split())
total = B - A + 1

if A % C != 0:
    c_count = (B // C) - (A // C)
else:
    c_count = (B // C) - (A // C) + 1

if A % D != 0:
    d_count = (B // D) - (A // D)
else:
    d_count = (B // D) - (A // D) + 1


lcm = lcm(C, D)
if A % lcm != 0:
    lcm_count = (B // lcm) - (A // lcm)
else:
    lcm_count = (B // lcm) - (A // lcm) + 1


print(total - c_count - d_count + lcm_count)


Fixed submission:
import sys
sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline
from itertools import permutations,  combinations, accumulate
from functools import *
from collections import deque, defaultdict, Counter
from heapq import heapify, heappop, heappush, heappushpop

def gcd(a, b):
    """
    Greatest Common Divisor
    Euclidean Algortihm
    """
    if a < b:
        gcd(b, a)
    while b != 0:
        a, b = b, a % b
    return a

INF = float('inf')
NIL = - 1


def lcm(x, y):
    return (x * y) // gcd(x, y)


A, B, C, D = map(int, input().split())
total = B - A + 1

if A % C != 0:
    c_count = (B // C) - (A // C)
else:
    c_count = (B // C) - (A // C) + 1

if A % D != 0:
    d_count = (B // D) - (A // D)
else:
    d_count = (B // D) - (A // D) + 1


lcm = lcm(C, D)
if A % lcm != 0:
    lcm_count = (B // lcm) - (A // lcm)
else:
    lcm_count = (B // lcm) - (A // lcm) + 1


print(total - c_count - d_count + lcm_count)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(map(int, input().split()))

b = 10 ** 18
ret = 1
for i in a:
  ret = ret * i
if ret > b:
  print('-1')
else:
  print(ret)

Fixed submission:
import sys
n = int(input())
a = list(map(int, input().split()))

if 0 in a:
  print(0)
  sys.exit()
  
b = 10 ** 18
ret = 1
for i in a:
  ret = ret * i
  if ret > b:
    print('-1')
    sys.exit()
else:
  print(ret)
Buggy python submission (verdict: Runtime Error):
n = int(input())
la = list(map(int, input().split())
d = {}
ret = 'NO'
for a in la:
    if a in d:
        ret = 'YSE'
        break
    d[a] = ''
print(ret)


Fixed submission:
aaa = int(input())
la = list(map(int, input().split()))
d = {}
ret = 'YES'
for a in la:
    if a in d:
        ret = 'NO'
        break
    d[a] = ''
print(ret)
Buggy python submission (verdict: Runtime Error):
import math
 
n=int(input())
ls=[int(s) for s in input().split(" ")]
 
if 0 in ls:
  print(0)
else:
  num=0
  for i in ls:
    num+=math.log10(i)
 
  if num <= 18:
    print(int(round(10**num,5)))
  else:
    print(-1)


Fixed submission:
a, b = map(int, input().split())
print(a*b)

Buggy python submission (verdict: Runtime Error):
a,b=input().split()
print(a*b)

Fixed submission:
a, b = map(int, input().split())
print(a*b)

Buggy python submission (verdict: Runtime Error):
a,b=input().split()
print(a*b)

Fixed submission:
a, b = map(int, input().split())
print(a*b)
Buggy python submission (verdict: Runtime Error):
import math
 
a, b = input().split()
a = int(a)
b_int = int(b)
b_fric = b -b_int
r1 = a*b_int
r2 = a*b_fric//100
result = r1+r2
print(result)


Fixed submission:
def main():
    A, B = input().split()
    A = int(A)
    B_big, B_small = B.split(".")
    B_big = int(B_big)
    B_small = int(B_small)
    print(A*B_big + A*B_small//100)
 
 
if __name__ == "__main__":
    main()

Buggy python submission (verdict: Runtime Error):
import math
 
a, b = map(int, input().split())
a = int(a)
b_int = int(b)
b_fric = b -b_int
r1 = a*b_int
r2 = a*b_fric//100
result = r1+r2
print(result)

Fixed submission:
def main():
    A, B = input().split()
    A = int(A)
    B_big, B_small = B.split(".")
    B_big = int(B_big)
    B_small = int(B_small)
    print(A*B_big + A*B_small//100)
 
 
if __name__ == "__main__":
    main()

Buggy python submission (verdict: Runtime Error):
import math
 
a, b = map(int, input().split())
c = a*b
math.floor(c)
print(c)


Fixed submission:
def main():
    A, B = input().split()
    A = int(A)
    B_big, B_small = B.split(".")
    B_big = int(B_big)
    B_small = int(B_small)
    print(A*B_big + A*B_small//100)
 
 
if __name__ == "__main__":
    main()

Buggy python submission (verdict: Runtime Error):
import math

a, b = map(int, input().split())
print(math.floor(a*b))


Fixed submission:
def main():
    A, B = input().split()
    A = int(A)
    B_big, B_small = B.split(".")
    B_big = int(B_big)
    B_small = int(B_small)
    print(A*B_big + A*B_small//100)
 
 
if __name__ == "__main__":
    main()
Buggy python submission (verdict: Runtime Error):
S = input()
S_len = len(S)
if S_len % 2 != 0:
    print("No")
else:
    set_num = int(S_len // 2)
    for i in range(set_num):
        if S[i*2] != "h" or S[i*2 +1] != "i":
            hitachi? = False
            break
        else:
            hitachi? = True
    if hitachi? = False:
        print("No")
    elif hitachi? = True:
        print("Yes")


Fixed submission:
S = input()
S_len = len(S)
if S_len % 2 != 0:
    print("No")
else:
    set_num = int(S_len // 2)
    for i in range(set_num):
        if S[i*2] != "h" or S[i*2 +1] != "i":
            hitachi = False
            break
        else:
            hitachi = True
    if hitachi == False:
        print("No")
    elif hitachi  == True:
        print("Yes")