11021번: A+B -7

 

import java.util.*;

public class Main{
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int T = sc.nextInt();
        for(int i = 1; i<=T; i++) {
            int A = sc.nextInt();
            int B = sc.nextInt();
            System.out.println("Case #"+i+": "+(A+B));
        }
    }
}