#!/usr/bin/env python3
# %%
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
from collections import deque

# %%
N, *A = map(int, read().split())

# %%


def dry(A):
    A = deque(sorted(A))
    ret = 0
    while len(A) >= 2:
        if A[0] + A[-1] < 0:
            ret += 1
            A.popleft()
            A.pop()
        else:
            A.pop()
    return ret


def wet(A):
    return dry([-x for x in A])


def moist(A):
    A = deque(sorted(A))
    ret = 0
    while len(A) >= 2:
        x = A[0] + A[-1]
        if x < 0:
            A.popleft()
        elif x > 0:
            A.pop()
        else:
            A.popleft()
            A.pop()
            ret += 1
    return ret


# %%
print(dry(A), wet(A), moist(A))