# -*- coding: utf-8 -*-
"""
No.423 ハムスター語初級（数詞）
https://yukicoder.me/problems/no/423

"""
import sys
from sys import stdin
input = stdin.readline


def main(args):
    n = input().strip()
    print(n + 'ham')


if __name__ == '__main__':
    main(sys.argv[1:])