#include<stdio.h>
int main(){
  int str[32]={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=0;
  scanf("%d",&k);
  printf("%d",str[k-1]);
  return 0;
}