import java.util.Scanner;
public class Main11022 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int T = sc.nextInt();
int[] A = new int[T];
int[] B = new int[T];
for(int i=0; i<T; i++){
A[i]= sc.nextInt();
B[i]= sc.nextInt();
}
for(int i=0; i<T;i++){
System.out.println("Case #"+(i+1)+": "+A[i]+" + "+B[i]+" = "+(A[i]+B[i]));
}
}
}
알고리즘 & 자료구조/백준