[백준 11021번]

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {

        int n;

        Scanner sc = new Scanner(System.in);

        n = sc.nextInt();

        int[] a = new int[n];
        int[] b = new int[n];

        for (int i = 0; i < n; i++) {
            a[i] = sc.nextInt();
            b[i] = sc.nextInt();
        }


        for (int i = 0; i < n; i++) {
            System.out.println("Case #" +(i+1) +": " + (a[i] + b[i]));
        }

    }
}