from collections import Counter

N = int(input())
A = list(map(int, input().split()))

ps = []
ns = []
for a in A:
    if a >= 0:
        ps.append(a)
    else:
        ns.append(a)


ps.sort()
ns.sort()


def positive(ps, ns):
    xs = ns + ps
    lo = 0
    hi = len(xs)-1
    res = 0
    while lo < hi:
        if xs[lo] + xs[hi] > 0:
            res += 1
            lo += 1
            hi -= 1
        else:
            lo += 1

    return res


def negative(ps, ns):
    xs = ns + ps
    lo = 0
    hi = len(xs)-1
    res = 0
    while lo < hi:
        if xs[lo] + xs[hi] < 0:
            res += 1
            lo += 1
            hi -= 1
        else:
            hi -= 1

    return res


def zero(ps, ns):
    freq = Counter(ns)
    zero = 0
    res = 0
    for p in ps:
        if p == 0:
            zero += 1
        elif freq[-p] > 0:
            res += 1
            freq[-p] -= 1

    return res + (zero // 2)


n = negative(ps, ns)
p = positive(ps, ns)
z = zero(ps, ns)
print(n, p, z)