#include<bits/stdc++.h>
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 x;
	scanf("%d",&x);
	printf("%d",a[x-1]);
	return 0;
} 