import java.util.Scanner;
import java.io.*;

class ScannerTest {
    public static void main(String[] args) {
        Scanner sc = null;
        try {
            sc = new Scanner(new File("tall.txt"));
        } catch (FileNotFoundException e) {
            System.out.println("Fant ikke filen!");
            System.exit(-1);
        }

        while (sc.hasNextLine()) {
            String[] tall =  sc.nextLine().split(" ");
            int teller = 0;

            for (int i = 0; i < tall.length; i++) {
                teller += Integer.parseInt(tall[i]);
            }

            System.out.println(teller);
        }
    }
}