using System;
class Program {
    static void Main() {
        string a = System.Console.ReadLine();
        string bc = Console.ReadLine();
        int delimPos = bc.IndexOf( ' ' );
        string b = bc.Substring( 0, delimPos );
        string c = bc.Substring( delimPos + 1, bc.Length - ( delimPos + 1 ) );
        Console.WriteLine( System.Convert.ToInt16( a ) + System.Convert.ToInt16( b ) + System.Convert.ToInt16( c ) );
       //System.Console.ReadKey();
    }
}