#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  if (n % 10 == 2 || n % 10 == 4 || n % 10 == 5 || n % 10 == 7 || n % 10 == 9)
    cout << "hon\n";
  else if (n % 10 == 0 || n % 10 == 1 || n % 10 == 6 || n % 10 == 8)
    cout << "pon\n";
  else
    cout << "\n";
}
