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

namespace ConsoleApplication1
{
    class Program
    {
        public static void output(int[] a)
        {
            int i;
            for (i = 0; i < a.Length; i++)
                Console.WriteLine(a[i]);
        }
        public static int numbox(int[,] a)
        {
            int x;
            x = a.GetLength(0) * a.GetLength(1);
            return x;
        }
        public static int[] chiburarr(int[,] a,int numbox)
        {
            int [] b=new int[numbox];
            int i=0,row=0,col=0;
            for (row = 0; row < a.GetLength(0); row++)
                for (col = 0; col < a.GetLength(1); col++)
                {
                    b[i] = a[row, col];
                    i++;
                }
            return b;
        }
        public static bool difcheck(int[] a)
        {
            bool ok = true;
            int i, j;
            for (i = 0; i < a.Length; i++)
            {
                for (j = i + 1; j < a.Length; j++)
                {
                    if (a[i] == a[j])
                        ok = false;
                }
            }
            return ok;
        }

        public static void input2(int[,] a)
        {
            int col,row;
            for (row = 0; row < a.GetLength(0); row++)
            {
                for (col = 0; col < a.GetLength(1); col++)
                    a[row, col] = int.Parse(Console.ReadLine());
            }
        }
        public static void output2(int[,] a)
        {
            int col, row;
            for (row = 0; row < a.GetLength(0); row++)
            {
                for (col = 0; col < a.GetLength(1); col++)
                {
                    Console.Write(a[row, col]);
                }
                Console.WriteLine(" ");
            }
        }
        static void Main(string[] args)
        {
            int[,]a=new int[3,3];
            int[] b = new int[numbox(a)];
            int x;
            input2(a);
            Console.WriteLine(numbox(a));
            b=chiburarr(a,numbox(a));
            Console.WriteLine(b);
            Console.WriteLine(difcheck(b));

            x = int.Parse(Console.ReadLine());
        }
    }
}