题解 | #记负均正II#记住while True是用来处理输入的

num_list = []
while True:

    try:
        
        num_list.append(int(input()))
    except:
        over_list, down_list = [], []
        for i in num_list:
            if i < 0:
                down_list.append(i)
            else:
                over_list.append(i)
        print(len(down_list))
        if len(over_list) > 0:
            print(round(sum(over_list) /len(over_list), 1))
        else:
            print(0.0)
        break