Envío 3146

Código

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {

    public static void main(String[] args) throws Throwable {

        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        for(String ln; (ln = in.readLine())!= null;){
            StringTokenizer st = new StringTokenizer(ln);
            long a = Long.parseLong(st.nextToken());
            long b = Long.parseLong(st.nextToken());
            System.out.println(a + b);
        }
    }
}