def ham_to_int(s):
    s = s.replace("hamu", "1")
    s = s.replace("ham", "0")
    return int(s, 2)

def int_to_ham(n):
    s = bin(n)[2:]
    s = s.replace("1", "hamu")
    s = s.replace("0", "ham")
    return s

s = input()
n = ham_to_int(s)
print(int_to_ham(n * 2))