#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<int, int>;
int main(void) {
  int n, r;
  cin >> n;
  r = n % 10;
  switch (r) {
    case 0:
    case 1:
    case 6:
    case 8:
      cout << "pon";
    case 2:
    case 4:
    case 5:
    case 7:
    case 9:
      cout << "hon";
    case 3:
      cout << "pon";
  }
  return 0;
}
