var numCandles = readInt("How old are you? ");

    var candleWidth = 15;
    var candleHeight = getWidth()/5;



    for(var i = 1; i< numCandles + 1; i++){
        var candle = new Rectangle(candleWidth, candleHeight);
        candle.setColor(Color.red);
        if(i%2 == 0){
            candle.setPosition(getWidth()/2-candleWidth*i, getHeight()/3 - candleHeight);

        }else{
            candle.setPosition(getWidth()/2+candleWidth*i, getHeight()/3 - candleHeight);

        }
        add(candle);
    }