hdu 1753 Daming A+B

Daming A+B

Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 14587    Accepted Submission(s): 5359

Problem Description

In other words, after a long month, Xiao Ming has grown a lot, so he changed his name to " Da Ming " . At this time, he was no longer the " Xiao Ming " who could only add within 100. Now he can even add positive decimals of any length. Now, given two positive decimals A and B , your task is to calculate the value of A+B on behalf of Daming .

 

 

Input

This question contains multiple sets of test data, please process until the end of the file. Each set of test data contains two positive decimals A and B whose length is not greater than 400 in one line .

 

 

Output

Please output the value of A+B in one line , please output the simplest form. See Sample Output for detailed requirements .

 

 

Sample Input

1.1 2.9

1.1111111111 2.3444323343

1 1.1

 

 

Sample Output

4

3.4555434454

2.1

Java large number template questions

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

public class Main {
	
	public static void main(String[] args) {
			Scanner cin = new Scanner(System.in);
			BigDecimal a=BigDecimal.valueOf(0);
			BigDecimal b=BigDecimal.valueOf(0);
			while(cin.hasNext()) {
				a=cin.nextBigDecimal();
				b=cin.nextBigDecimal();
				System.out.println(a.add(b).stripTrailingZeros().toPlainString());
			}
	}

}