b = []
c = 0
while True:
    try:
        n = int(input())
        ls = list(map(int,input().split()))
        for a in ls:
            if a > 0:
                b.append(a)
            if a < 0:
                c += 1
    except:
        break
print(c,end=' ')
if len(b) == 0:
    print(0.0)
else:
    print(round(sum(b) / len(b), 1))