题解 | #记负均正II#

list1=[]
sum=0
num=0
num1=0
while True:
    try:
        x=int(input())
        if x>0:
            sum+=x
            num+=1
        else:
            num1+=1
    except:
        if num==0:
            print(num1)
            print(float(num))
        else:
            print(num1)
            print(format(sum/num,"0.1f"))
        break