// Ro_4ce

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

public class Main 
{
	public static void main (String[] args)
	{
		File f = new File ("adunare.in");
		File g = new File ("adunare.out");
		
		try {
			Scanner in = new Scanner (f);
			int a = in.nextInt();
			int b = in.nextInt();
			int sum = a + b;
			in.close();
			
			try {
				PrintWriter out = new PrintWriter(g);
				out.println(sum);
				out.close();
			} catch(IOException ex) {
				System.out.println("Error");
			}
			
		} catch(IOException ex) {
			System.out.println("Error");
		}
		
	}

}