class program
    {
    define turnright()
        {
        iterate(3)
            turnleft();
        }
        
    define halfturn()
        {
        iterate (2)
            turnleft();
        }
        
    define unBeeper()
        {
        move();
        move();
        turnright();
        move();
        }
        
    define dosBeeper()
        {
        halfturn();
        iterate(4)
            move();

        turnleft();
        iterate(7)
            move();
        }
        
    define tresBeeper()
        {
        iterate(2)
            {
            iterate (3)
                move();
            turnright();
            }
        move();
        move();
        turnright();
        move();
        move();
        }
        
    define cuatroBeeper()
        {
        iterate(5)
            {
            turnleft();
            move();
            turnright();
            move();
            }
        }
        
    program()
        {
        while( nextToABeeper )
            {
            pickbeeper();
            if( notNextToABeeper )
                {
                putbeeper();
                unBeeper();
                }
            else
                {
                pickbeeper();
                if( notNextToABeeper )
                    {
                     putbeeper();
                     putbeeper();
                     dosBeeper();
                    }
                else
                    {
                    pickbeeper();
                    if( notNextToABeeper )
                        {
                        iterate (3)
                             putbeeper();
                        tresBeeper();
                        }
                    else
                        {
                        iterate (3)
                            putbeeper();
                        cuatroBeeper();
                        }
                    }
                }
            }
        turnoff();
        }
    }