# coding: utf-8
n = input()
# hamu, hamをそれぞれ1, 0に変換
while True:
    n = n.replace('hamu', '1')
    if n.count('hamu') == 0:
        break
while True:
    n = n.replace('ham', '0')
    if n.count('ham') == 0:
        break
# 計算
p = format(int(n, 2) * 2, 'b')
# 出力
while True:
    p = p.replace('1', 'hamu')
    if p.count('1') == 0:
        break
while True:
    p = p.replace('0', 'ham')
    if p.count('0') == 0:
        break
print(p)