import java.io.*;
   
class Main
{
    public static void main(String[] Args)
    {
        try
        {
            int a, b;
            FileInputStream In = new FileInputStream("adunare.in");
            a = In.read();
            b = In.read();
            In.close();
            FileOutputStream Out = new FileOutputStream("adunare.out");
            Out.write(a+b);
            Out.close();
        }
        catch (IOException E)
        {
            System.err.println("Eroare la citire/scriere");
        }
    }
}