[ACM]HDU Problem 1002 + Java

import java.util.Scanner;
import java.math.BigDecimal;

public class Main {
	public static void main(String args[]){
		Scanner input = new Scanner(System.in);
		
		int T = input.nextInt();
		
		for(int i = 1; i <= T; i++){
			BigDecimal a = input.nextBigDecimal();
			BigDecimal b = input.nextBigDecimal();
			BigDecimal sum = a.add(b);
			System.out.println("Case " + i + ":");
			System.out.print(a + " + " + b + " = " + sum);
			if(i != T){
				System.out.println();
			}
			System.out.println();
		}
	}
}