OJA+B

1 5
10 20

6
30

import java.util.Scanner;

/**
 * author：没拉链的布加拉提
 */
public class Oj1 {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        while(scanner.hasNext()){
            int a = scanner.nextInt();
            int b = scanner.nextInt();
            System.out.println(a+b);
        }

        scanner.close();
    }
}