def new_input():
    total = []
    while True:
        money= input("请输入(q退出)：")
        if money== 'q':
            break
        else:
            try:
                money=int(money)
            except:
                print("请重输入数字")
            else:
                total.append(money)
            finally:
                print("-"*30)
    return total


def sum(money):
    count=0
    for i in money:
        count=count+i
    return count


price=new_input()
pay=sum(price)
print("消费"+str(pay)+"元 扫码,现金")