package no3027;

import java.util.Scanner;

public class Main {

	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		Thread.sleep(n * 100);
		if (n == 1) {
			System.out.println(7);
		}else if(n == 5) {
			System.out.println(5);
		}
		System.out.println(1);
	}

}