#include <bits/stdc++.h>
int main() {
  int N, x;
  scanf("%d", &N);
  x = N % 2;
  if (x == '3') {
    printf("bon\n");
  } else if (x == '0' || x == '1' || x == '6' || x == '8')
    printf("pon\n");
  else
    printf("hon\n");
  return 0;
}
