import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
 
        Scanner sc = new Scanner(System.in);
        int k = sc.nextInt() ;
    	int[] nums = {1,2,3,4,5} ;
    	for(int i=0;i<nums.length;i++){
    		if(nums[i] == k){
    			System.out.print(nums[i+1]);
    		}
    	}
    }
}