#include<stdio.h>

int main(){
  int i;
  int a[33] = {0 , 1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51};

  scanf("%d", &k);

  printf("%d\n", a[k]);

  return 0;
}