#include <algorithm>
#include <cstdio>
#include <iostream>
#include <map>
#include <cmath>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <vector>
#include <stdlib.h>
#include <stdio.h>
#include <bitset>
using namespace std;
#define FOR(I,A,B) for(int I = (A); I < (B); ++I)
typedef long long ll;

int main()
{
  string s;
  cin >> s;
  bool ok = true;
  if(s.length()==3) {
    if(s[0]=='h'&&s[1]=='a'&&s[2]=='m') {
      cout << "ham" << endl;
      return 0;
    }
  }
  cout << s + "ham" << endl;
  return 0;
}