#include <stdio.h>

int main() {
  int N;
  
  do {
    scanf("%d", &N);
  }while (N <= 0 || N >= 100);
  
  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;
}