https://www.acmicpc.net/problem/11022
import java.util.Scanner;
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 + " = " + (a+b));
}
}
}