#include <iostream>
#include <vector>
#include <cstring>
#include <string>
#include <algorithm>
#include <iomanip>
#include <cmath>
#include <cassert>
#include <sstream>
using namespace std;
typedef long long ll;
int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);

	string s;
	cin >> s;
	cout << s + "ham" << endl;
}