题解 | #记负均正II#

lista = []
fu_list = []
slist = []
while True:
    try:

        lista.append(int(input()))

    except:
        break

counts = 0
s = 0
p = 0
for i in lista:
    # print(i)
    if i < 0:
        counts += 1
    else:
        s += i
        p += 1
print(counts)
if p == 0:
    print("0.0")
else:
    print('{0:.1f}'.format(float(s / p)))