这也不难啊 
num_list = []
while 1:
    try:
        a = int(input())
        num_list.append(a)
    except:
        break
count = 0
postive = []
for i in num_list:
    if i < 0:
        count += 1
    elif i > 0:
        postive.append(i)
print(count)
if len(postive) == 0:
    print(0.0)
else:
    print(round(sum(postive)/len(postive) , 1))