#思路：模拟
n=input()
l=list(map(int,input().split()))
number=[]
av=0.0
cnt=0
for i in l:
    if i<0:
        cnt+=1
    elif i>0:
        number.append(i)
if len(number)>0:
    av=sum(number)/len(number)
print("{} {:.1f}".format(cnt,av))