题解 | #记负均正II#

num=[]
while(1):
    try:
        num.append(input())
    except:
        break

n=len(num)
count=0
numing=0
for i in range(n):
    if(int(num[i])<=0):
        count=count+1
        num[i]="0"
    numing=numing+int(num[i])
if n-count==0:
    print(count)
    print(0.0)
else:
    a=numing/(n-count)
    print(count)
    print(round(a,1))