[백준]11021_A+B - 7

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.util.StringTokenizer;
 
public class Main {
    public static void main(String args[]) throws IOException {
 
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringBuffer sb = new StringBuffer();
        StringTokenizer st;
        int sum=0;
 
        int T = Integer.parseInt(br.readLine());
        for(int tc=1;tc<=T;tc++) {
            sb.append("Case").append(" ").append("#").append(tc).append(":").append(" ");
            st = new StringTokenizer(br.readLine());
            int A = Integer.parseInt(st.nextToken());
            int B = Integer.parseInt(st.nextToken());
            sum = A+B;
            sb.append(sum).append("\n");
        }
        System.out.println(sb);
    }
}