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


    


result = sbjkf()




def sum(vvv):
    dfgh = 0
    for i in vvv:
        dfgh += i
    return dfgh
    

dasd=sum(result)
print("您一共消费了"+str(dasd)+"元")