using System;

public class Program

{

    public static void Main()

    {

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

        int[,] mat = new int[n,n];

        bool b=true;

        for (int i=0;i<mat.GetLength(0);i++)

            if (b==true)

                for (int j=0;j<mat.GetLength(1);i++)

                {

                    if ((i==j)||(i+j==mat.GetLength(0)-1))

                        if (mat[i,j]==1)

                            b=true;

                        else

                            b=false;

                    else

                        if (mat[i,j]==0)

                            b=true;

                        else

                            b=false;

                }

    }

}