java11022.java

import java.util.Scanner;
public class java11022 {
    public static void main(String[] args) {
        Scanner k = new Scanner(System.in);

        int T = k.nextInt();
        for (int i = 1; i <= T; i++) {
            int A =k.nextInt();
            int B = k.nextInt();

            System.out.printf("Case #%d: %d + %d = %d\n", i,A,B,A+B);
        }









    }

}