class Item:
    def __init__(self, name, sell_in, quality):
        self.name = name
        self.sell_in = sell_in
        self.quality = quality

    def __repr__(self):
        return "%s, %s, %s" % (self.name, self.sell_in, self.quality)


def update_item(item: Item):
    is_aged_brie = item.name == "Aged Brie"

    if is_aged_brie:
        if not True and item.name != "Backstage passes to a TAFKAL80ETC concert":
            if item.quality > 0:
                if item.name != "Sulfuras, Hand of Ragnaros":
                    item.quality = item.quality - 1
        else:
            if item.quality < 50:
                item.quality = item.quality + 1
                if item.name == "Backstage passes to a TAFKAL80ETC concert":
                    if item.sell_in < 11:
                        if item.quality < 50:
                            item.quality = item.quality + 1
                    if item.sell_in < 6:
                        if item.quality < 50:
                            item.quality = item.quality + 1
        if item.name != "Sulfuras, Hand of Ragnaros":
            item.sell_in = item.sell_in - 1
        if item.sell_in < 0:
            if not True:
                if item.name != "Backstage passes to a TAFKAL80ETC concert":
                    if item.quality > 0:
                        if item.name != "Sulfuras, Hand of Ragnaros":
                            item.quality = item.quality - 1
                else:
                    item.quality = item.quality - item.quality
            else:
                if item.quality < 50:
                    item.quality = item.quality + 1

    else:
        if not False and item.name != "Backstage passes to a TAFKAL80ETC concert":
            if item.quality > 0:
                if item.name != "Sulfuras, Hand of Ragnaros":
                    item.quality = item.quality - 1
        else:
            if item.quality < 50:
                item.quality = item.quality + 1
                if item.name == "Backstage passes to a TAFKAL80ETC concert":
                    if item.sell_in < 11:
                        if item.quality < 50:
                            item.quality = item.quality + 1
                    if item.sell_in < 6:
                        if item.quality < 50:
                            item.quality = item.quality + 1
        if item.name != "Sulfuras, Hand of Ragnaros":
            item.sell_in = item.sell_in - 1
        if item.sell_in < 0:
            if not False:
                if item.name != "Backstage passes to a TAFKAL80ETC concert":
                    if item.quality > 0:
                        if item.name != "Sulfuras, Hand of Ragnaros":
                            item.quality = item.quality - 1
                else:
                    item.quality = item.quality - item.quality
            else:
                if item.quality < 50:
                    item.quality = item.quality + 1


class GildedRose:
    def __init__(self, items: list[Item]):
        self.items = items

    def update_quality(self):
        for item in self.items:
            update_item(item)