java start

多组输入 a+b；

\

import java.util.Scanner;

public class Main

{

public static void main(String args[])

{

Scanner cin=new Scanner(System.in);

int a,b;

while(cin.hasNext())

{

a=cin.nextInt();

b=cin.nextInt();

System.out.println(a+b);

}

cin.close();

}

}