using System;

public class Program

{

    public static void Main()

    {

        int n = Convert.ToInt32(Console.ReadLine());

        int nuli = 0;

        int otric = 0;

        int poloj = 0;

        int chisla =0;

        for(int i=1; i<=n; i=i+1)

        {

         chisla = Convert.ToInt32(Console.ReadLine());

        if (chisla == 0)

            {

                nuli= nuli+1;

            }

        if (chisla > 0)

            {

                poloj= poloj+1;

            }

        if (chisla < 0)

            {

                otric= otric+1;

            }

        }

        Console.WriteLine(nuli);

        Console.WriteLine(poloj);

        Console.WriteLine(otric);

        }

}