#include <bits/stdc++.h>
int main() {
  int arr[100] = {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 n;
  scanf("%d", &n);
  printf("\nThe %d-th element is %d.", n, arr[n - 1]);
  return 0;
}
