#include <iostream>
#include <iomanip>
typedef unsigned long long ul;
typedef signed long long ll;

int main(void)
{
  std::cin.tie(0);
  std::ios::sync_with_stdio(false);
  std::cout << std::fixed << std::setprecision(15);
  std::string s;
  std::cin >> s;
  if (s=="ham") std::cout << s << std::endl;
  else std::cout << s << "ham" << std::endl;
  return 0;
}