A + B Problem II

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 241933    Accepted Submission(s): 46646

Problem Description

I have a very simple problem for you. Given two integers A and B, your job is to calculate the Sum of A + B.




The first line of the input contains an integer T(1<=T<=20) which means the number of test cases. Then T lines follow, each line consists of two positive integers, A and B. Notice that the integers are very large, that means you should not process them by using 32-bit integer. You may assume the length of each integer will not exceed 1000.




For each test case, you should output two lines. The first line is "Case #:", # means the number of the test case. The second line is the an equation "A + B = Sum", Sum means the result of A + B. Note there are some spaces int the equation. Output a blank line between two test cases.



Sample Input

21 2 112233445566778899 998877665544332211



Sample Output

Case 1:1 + 2 = 3 Case 2: 112233445566778899 + 998877665544332211 = 1111111111111111110










import java.util.*;   
import java.io.*;
import java.math.*;

public class Main{
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int t=in.nextInt();
for(int i=1;i<=t;i++)
BigInteger a = in.nextBigInteger();
BigInteger b = in.nextBigInteger();
System.out.println("Case "+i+":");
System.out.println(a+" + "+b+" = "+a.add(b));