# No.423 ハムスター語初級（数詞）
n = input()
s = n.replace('hamu', '1').replace('ham', '0')

d = 0
answer = ''

for i in range(len(s)):
    d += 2 ** i * int(s[len(s) - i - 1])

d *= 2

while d != 1:
    answer = 'hamu' + answer if d % 2 == 1 else 'ham' + answer
    d //= 2

print('hamu' + answer)