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

namespace ConsoleApp1
{
    class Program
    {
        public static void Main(string[] args)
        {
            init();


        }

        public static void init()
        {
            int[] p;
            int[,] W;  //DISDIASTATOS PINAKAS
            int epilogi;
            p = Input();  // p[4,6]
            W = Gemisma(p[0], p[1]);
            epilogi = InputMenou(Menou());

            if(epilogi == 1)
            {
                W = AristeriDiagonios(W);
            }
            else if (epilogi ==2)
            {
                W = DeksiaDiagonios(W);
            }

            else if (epilogi == 3)
            {
                W = AllagiGrammis(W);
            }
            else if (epilogi == 4)
            {
                W = AllagiStilis(W);
            }




            OutPut(W);


        }


        public static int[] Input()
        {

            int[] p = new int[2];

            Console.WriteLine("Dose arithmo grammon");
            p[0] = Convert.ToInt32(Console.ReadLine()); //grammes
            Console.WriteLine("Dose arithmo katheton");
            p[1] = Convert.ToInt32(Console.ReadLine()); //stiles

            return p;
        }


        public static int[,] Gemisma(int row, int col)
        {
            int[,] p = new int[row, col];

            for (int i = 0; i < p.GetLength(0); i++)
            {
                for (int j = 0; j < p.GetLength(1); j++)
                {
                    p[i, j] = 0;
                }
            }

            return p;

        }


        public static int Menou()
        {


            Console.WriteLine("1- Aristeri Diagonios");
            Console.WriteLine("2- Deksia Diagonios");
            Console.WriteLine("3- Grammi");
            Console.WriteLine("4- Stilli");

            return 4;
        }
        public static int InputMenou(int a)
        {
            int epilogi;
            Console.WriteLine("Epelekse anamesa stis {0} katigories", a);
            epilogi = Convert.ToInt32(Console.ReadLine()); //epelekse o xristis
            return epilogi;
        }





        public static int[,] AristeriDiagonios(int[,] p)
        {
            for (int i = 0; i < p.GetLength(0); i++)
            {
                for (int j = 0; j < p.GetLength(1); j++)
                {
                    if(i==j)
                    {
                        p[i, j] = 1;
                    }

                }
            }

            return p;
        }
        public static int[,] DeksiaDiagonios(int[,] p)
        {
            for (int i = 0; i < p.GetLength(0); i++)
            {
                for (int j = 0; j < p.GetLength(1); j++)
                {
                    if ((i+j) == p.GetLength(0)-1)
                    {
                        p[i, j] = 1;
                    }
                }
            }
            return p;
        }
        public static int[,] AllagiGrammis(int[,] p)
        {
            for (int i = 0; i < p.GetLength(0); i++)
            {
                for (int j = 0; j < p.GetLength(1); j++)
                {
                    if (i == 0)
                    {
                        p[i, j] = 1;
                    }
                }
            }
            return p;
        }
        public static int[,] AllagiStilis(int[,] p)
        {
            for (int i = 0; i < p.GetLength(0); i++)
            {
                for (int j = 0; j < p.GetLength(1); j++)
                {
                    if (j ==0)
                    {
                        p[i, j] = 1;
                    }
                }
            }
            return p;
        }








        public static void OutPut(int[,] p)
        {
            for (int i = 0; i < p.GetLength(0); i++)
            {
                for (int j = 0; j < p.GetLength(1); j++)
                {
                    Console.Write("{0,2}", p[i, j]);

                }
                Console.WriteLine();
            }
        }
    }
}