class Verein:
    account_name: str
    total_balance: int
    available_balance: int
    redeemed: int

    def __init__(self, account_name: str, total_balance: int, available_balance: int, redeemed: int):
        self.account_name = account_name
        self.total_balance = total_balance
        self.available_balance = available_balance
        self.redeemed = redeemed

    def __str__(self):
        return f'{self.account_name}: ({self.available_balance} + {self.redeemed} = {self.total_balance})'