class program
    {
    define miraNorte()
        {
        while( notFacingNorth )
            turnleft();
        }
    
    program()
        {
        miraNorte();
        while( nextToABeeper )
            {
            turnleft();
            pickbeeper();
            }
    
        while( frontIsClear )
            {
            move();
            miraNorte();
            while( nextToABeeper )
                {
                turnleft();
                pickbeeper();
                }
            }
        turnoff();
        }
    }