题解 | #记负均正II#

#获取全部输入b
try:
    b = []
    while True:    
        a = input()
        if a=='': #无输入break
            break
        b.append(a)
except:
    pass
c = list(map(int,b))
r1 = 0 #负数个数
d = [] #非负数数组
for i in c:
    if i < 0:
        r1 += 1
    else:
        d.append(i)
print(r1)
if r1 == len(c):
    print(format(0,'.1f'))
else:
    print(format(sum(d)/len(d),'.1f'))