import java.io.*;
public class aplusb{

    public static void main(String[] args) throws Exception{
		int a,b;
		FileInputStream in = null;
		FileOutputStream out = null;
		in = new FileInputStream("adunare.in");
		out = new FileOutputStream("adunare.out");
		
		a = in.read();
		b = in.read();
		out.write(a+b);
    }
    
}