n=int(input())
nums=list(map(int,input().split()))
#print(nums)
neg_n=0
pos=[]

for i in nums:
    if i<0:
        neg_n += 1
    elif i>0:
        pos.append(i)

if len(pos)==0:
    print(neg_n,0.0)
else:
    print(neg_n,round(sum(pos)/len(pos),1))