#include <bits/stdc++.h>
using namespace std;
const int MOD = 1000000007;
int gcd(int x, int y) {
  if (x % y == 0)
    return y;
  else
    return gcd(y, x % y);
}
int main() {
  vector<int> s = {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;
  cout << s[k - 1] << endl;
}
