package ab;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

public class Ab {

    static int sum(int a,int b){
        return a+b;
    }
    
    public static void main(String[] args) throws FileNotFoundException, IOException {

        Scanner scanner = new Scanner(new FileReader(new File("adunare.in")));
        int a,b;
        a = scanner.nextInt();
        b = scanner.nextInt();
        
        try {
 
            File file = new File("adunare.out");
            if (!file.exists()) {
		file.createNewFile();
            }
 
            FileWriter fw = new FileWriter(file.getAbsoluteFile());
            BufferedWriter bw = new BufferedWriter(fw);
            bw.write(Integer.toString(sum(a,b)));
            bw.close();
            
	} catch (IOException e) {
            e.printStackTrace();
	}
        
    }
    
}