#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define rep(i,n) for(long long i = 0; i < (long long)(n); i++)

int main(void)
{

  string n;
  cin >>n;

  if(n=="ham")
   cout << "ham" <<endl;
  else
   cout<< n << "ham" <<endl;
 
  return 0;

}