#include <stdio.h>
#include <algorithm>
#include <vector>
#include <deque>
#include <string>
#include <iostream>
using namespace std;
using ll = long long;

void solve();
int main() {
	solve();
#ifdef DBG
	while (true);
#endif
}


//423
void solve() {
	char n[51];
	scanf("%s", n);

	if (n[3])
		printf("%s%s\n", n, "ham");
	else
		printf("%s\n", n);
}