#include <bits/stdc++.h>
int main() {
  int n, sum;
  scanf("%d", &n);
  sum = 10 % n;
  if (sum == 3) {
    printf("bon");
  }
  if (sum == 0 || sum == 1 || sum == 6 || sum == 8) {
    printf("pon");
  } else {
    printf("hon");
  }
  return 0;
}
