题解 | #记负均正#

n = int(input())
num = list(map(int, input().split()))
count = 0
temp = []
for i in num:
    if i < 0:
        count += 1
for j in num:
    if j > 0:
        temp.append(j)

if len(temp) != 0:
    avage = sum(temp)/len(temp)
    print(count, round(avage, 1))
else:
    print(count, 0.0)