class Shop:
    def __init__(self, price):
            self.price = price

    def calculate(self):
        if self.price <= 100000:
            self.price = self.price * 80 // 100
        elif self.price >= 50000 and self.price >= 100000:
            self.price = self.price* 90 // 100

        return self.price


product = Shop(100000)
print(product.calculate())