using System;

public class Program

{

    public static void Main()

    {

        Random R=new Random();

        int [,]a =new int [4,3];

        for(int i=0;i<4;i++)

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

            {

                a[i,k]=R.Next(50,70);

                if(a[i,k]>65)

                    a[i,k]=0;

                Console.WriteLine("שלב4");

                Console.WriteLine(a[i,k]);

                if(a[i,k]%2==0)

                    a[i,k]=0;

                Console.WriteLine("שלב6");

                Console.WriteLine(a[i,k]);

                Console.WriteLine("שלב8");

                Console.WriteLine("enter number");

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

                if(a[i,k]!=0)

                    a[i,k]-num;

                Console.WriteLine(a[i,k]);

            }

        for(int i=0;i<4;i++)

        {

            a[2,i]=10;

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

                Console.WriteLine(a[i,k]);

        }

    }

}