#include <bits/stdc++.h>
using namespace std;
using lint = long long;
using pint = pair<int, int>;
using vec = vector<int>;
using mat = vector<vector<int>>;
constexpr int MOD = 1000000007;
const int INF = 1 << 30;
int a[] = {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 main() {
  int k;
  cin >> k;
  cout << a[k - 1] << "\n";
  return 0;
}
