#include<cstdio>

int main() {
  int num[]={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 in;
  scanf("%d", &in);
  printf("%d\n", num[in-1]);
  return 0;
}