学步园

贴份大数加法模板0 0

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

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