import element.*;

public class doubSwitch
{
    public static void main(String args[])
    {
        ConsoleWindow c = new ConsoleWindow();
        double d;
        d = c.input.readDouble();

        switch (d)
        {
          case 1.0: c.out.println("xxx"); break;
          case 2.0: c.out.println("yyy"); break;
          default: c.out.println("zzz"); break;
        }
    }
}
/*
*/