kms152000 2024. 4. 12. 18:30

import java.io.*;
import java.util.Scanner;
import java.util.StringTokenizer;

public class Main {

    public static void main(String[] args) throws IOException{

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

        int n = Integer.parseInt(br.readLine());

        StringTokenizer st;

        for (int i = 0; i < n; i++) {
            st = new StringTokenizer(br.readLine()," ");
            bw.write("Case #" + (i + 1) + ": "+  + (Integer.parseInt(st.nextToken()) + Integer.parseInt(st.nextToken()))+ "\n");
        }
        br.close();

        bw.flush();
        bw.close();



    }
}