import java.io.*;
  
class Main
{
    public static void main(String[] Args)
    {
        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();
        System.out.println(a+b);
    }
}