using System;

public class Program

{

    public static void Main()

    {

        int [,] a= new int [3,3];

    }

    public static void Kolet (int [,] a)

    {

        for (int i=0; i<3; i++)

        {

            for (int j=0; j<3; j++)

            {

                Console.WriteLine("Enter a number");

                a[i,j]= int.Parse(Console.ReadLine());

            }

        }

    }

    public static int Extra ()

    {

        Console.WriteLine("Enter an extra number");

        int extra= int.Parse(Console.ReadLine());

        return extra;

    }

    public static void Gimel (int [,] a, int extra)

    {

        int n=0;

        for (int i=0; i<3; i++)

        {

            for (int j=0; j<3; j++)

            {

                if (a[i,j]==extra)

                    n++;

            }

        }

        Console.WriteLine("The number" + extra + "appears" +n+ "times");

    }

    public static void Daled (int [,] a, int extra)

    {

        int n=0;

        for (int i=0; i<3; i++)

        {

            for (int j=0; j<3; j++)

            {

                if (a[i,j]==extra)

                    n++;

            }

            Console.WriteLine("The number" + extra + "appears" +n+ "times");

            n=0;

        }

    }

}

​

​