def solve():
    numarr = ["hamu", "ham"]
    s = input()
    numstr = ""
    for idx in range(2):
        s = s.replace(numarr[idx], str(1 - idx))
    ansnum = int(s, 2) * 2
    ans = []
    while ansnum > 0:
        ans.append(numarr[(ansnum & 1) ^ 1])
        ansnum >>= 1
    print("".join(ans[::-1]) if len(ans) > 0 else "ham")

if __name__=="__main__":
    solve()