#include <stdio.h>
int a[50]={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},n;
int main () {
  int n;
  scanf ("%d",&n);
  printf ("%d\n",a[n-1]);
}