#include <iostream>
using namespace std;

int main(){
  int A[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 K;
  cin >> K;
  int ans = A[K-1];
  cout << ans << endl;
  
  return 0;
}