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