#include <bits/stdc++.h>
int main() {
  int a;
  scanf("%d", &a);
  int x[] = {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};
  printf("%d", x[a]);
}
