zadacha 2

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp20
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j;
            int[,] array = new int[4, 4];
            for (i = 0; i < 4; i++)
                for (j = 0; j < 4; j++)
                    array[i, j] = int.Parse(Console.ReadLine());
            Console.WriteLine("otricatelni: ");
            for (i = 0; i < 4; i++)
            {
                for(j = 0; j < 4; j++)
                {
                    if (array[i, j] < 0)
                        Console.Write(array[i, j] + " ");
                }
            }
            Console.WriteLine("samo 0 : ");
            for ( i = 0; i<4; i++)
                for(j = 0; j <4; j++)
                {
                    if (array[i, j] == 0)
                        Console.Write(array[i, j] + " ");
                }
            Console.WriteLine("samo polojitelni: ");
            for (i = 0; i < 4; i++)
            {
                for (j = 0; j < 4; j++)
                {
                    if (array[i, j] > 0)
                        Console.Write(array[i, j] + " ");
                }
            }
        }
    }
}