#include<string>
#include<iostream>
#include<algorithm>
#include<set>
#include<math.h>
#include<vector>
#include<sstream>
#include<queue>
#include<functional>
#include<bitset>
#include<cstdio>
using namespace std;

int main() {
	string s;
	cin >> s;
	cout << s;
	if (s != "ham") cout << "ham" << endl;

	return 0;
}