#include <bits/stdc++.h>
int main() {
  int k;
  scanf("%d", &k);
  char p[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};
  printf("%d\n", p[k]);
  return 0;
}
