import java.io.*;
import java.util.*;
 
public class Main {
 
    public static void main(String args[]) {
 
        Scanner in = null;
 
        try {
            in = new Scanner(new File("adunare.in"));
        } catch (Exception FileNotFoundException) {
            return;
        }
 
        int a = in.nextInt();
        int b = in.nextInt();
        in.close();
        
        //System.out.println(a+ " " + b);
 
        Writer writer = null;
 
        try {
            writer = new FileWriter("adunare.out");
        } catch (Exception IOException) {
            return;
        }
 
        try {
        	int s = a + b;
            writer.write(s);
            writer.write(s);
            writer.close();
            
        } catch (Exception IOException) {
            return;
        }
 
        
       
        
 
    }
 
}