#include<stdio.h>
int main(void){
  char s[] = {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};
  int K;
  scanf("%d", &K);
  
  printf("%c\n",a[K]);
  
  return 0;
}