head = float(raw_input())
mylist = [float(i) for i in raw_input().split()]

zero = sum(j == 0 for j in mylist)
ng = sum(j < 0 for j in mylist)
ps = sum(j > 0 for j in mylist)

print round(ps/head, 3)
print round(ng/head, 3)
print round(zero/head, 3)