#include <iostream>
#include <string>
#include <limits.h>
#include <math.h>
#include <vector>
#include <algorithm>
#include <tuple>

using namespace std;

int main(int argc, char* argv[]){
  string s;
  
  cin >> s;
  if(s=="ham"){
    cout << "ham" << endl;
    return 0;
  }
  
  cout << s << "ham" << endl;

  return 0;
}