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");
    	}
    }
}