function Main(input){
	var str = '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';
	var arr = str.split(', ');

	console.log(arr[input-1]);
}



Main(require("fs").readFileSync("/dev/stdin", "utf8"));