HDU 1000 A+B Problem I JAVA

import java.util.Scanner;
public class Main{
    public static void main(String[] args){
        Scanner in=new Scanner(System.in);
        while(in.hasNextInt()){
        int a=in.nextInt();
        int b=in.nextInt();
        System.out.println((a+b));
    }
    }
}