# 20241008
n = int(input())
ls = list(map(int,input().split()))
ls1 = []
ls2 = []
for i in ls:
    if i > 0:
        ls1.append(i)
    elif i < 0:
        ls2.append(i)
    elif i == 0:
        continue
if len(ls1) == 0:
    print(len(ls2),0.0)
else:
    avg = sum(ls1)/len(ls1)
    print(len(ls2),round(avg,1))