#include <bits/stdc++.h>
int main(void) {
  int youso[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 i = 0;
  scanf("%d", &i);
  printf("%d", youso[i]);
  return 0;
}
