using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static void Main()
    {
        var c = NList;
        var (h, w) = (c[0], c[1]);
        var res = new int[h][];
        var count = 0;
        for (var i = 0; i < h; ++i)
        {
            res[i] = Enumerable.Repeat(1, w).ToArray();
        }
        if (h % 2 == 0 && w % 2 == 0)
        {
            count = h * w;
        }
        else if (h % 2 == 0)
        {
            for (var i = 0; i < h; ++i) res[i][w - 1] = 0;
            count = h * (w - 1);
        }
        else if (w % 2 == 0)
        {
            for (var j = 0; j < w; ++j) res[h - 1][j] = 0;
            count = (h - 1) * w;
        }
        else if (h <= w)
        {
            for (var i = 0; i < h; ++i) res[i][i] = 0;
            for (var i = h; i < w; ++i) res[h - 1][i] = 0;
            count = h * (w - 1);
        }
        else
        {
            for (var i = 0; i < w; ++i) res[i][i] = 0;
            for (var i = w; i < h; ++i) res[i][w - 1] = 0;
            count = (h - 1) * w;
        }
        WriteLine(count);
        WriteLine(string.Join("\n", res.Select(r => string.Join(" ", r))));
    }
}