题解 | #开学？#

public class Main {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int x1 = sc.nextInt();
        int x2 = sc.nextInt();
        int u = x2%7;   
        if(u + x1 <= 7){
            System.out.println(x1 + u);
        }
        else{
            System.out.println((x1 + u)%7);
        }
    }
}