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

int main() {
  int N;
  cin >> N;
  int a;
  a = N % 10;
  if(a == 2 || a == 4 || a == 5 || a == 7 || a == 9) cout << "hon" << endl;
  else if(a == 0 || a == 1 || a == 6 || a == 8) cout << "pon" << endl;
  else cout << bon << endl;
}
