#include<bits/stdc++.h>
using namespace std;
int main(){
  long long n,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}
  cin>>n;
  cout<<a[n-1];
  return 0;
}