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

class Procon
{
    public Procon() { }
    static void Main(string[] agrs)
    {
        new Procon().Do();
    }

    Scanner cin;
    int[,] a;
    bool[,] b;

    public void Do()
    {
        cin = new Scanner();
        int H = cin.nextInt();
        int W = cin.nextInt();
        int[,] a = new int[H,W];

        for (int i = 0; i<H; i++) {
            for (int j=0; j<W; j++) {
                a[i,j] = cin.nextInt();
            }
        }

        int num = 0;
        bool print = false;
        for (int i = 0; i<H; i++) {
            if (i % 2 == 0) {
                for (int j=0; j<W; j++) {
                    if (a[i,j] % 2 == 1) {
                        print = !print;
                    }

                    if (print) {
                        if (j + 1 < W) {
                            num ++;
                        } else if (i + 1 < H){
                            num ++;
                        }
                    }
                }
            } else {
                for (int j=W-1; j>=0; j--) {
                    if (a[i,j] % 2 == 1) {
                        print = !print;
                    }

                    if (print) {
                        if (j >= 1) {
                            num ++;
                        } else if (i + 1 < H){
                            num ++;
                        }
                    }
                }
            }
        }

        Console.WriteLine(num);
        print = false;
        for (int i = 0; i<H; i++) {
            if (i % 2 == 0) {
                for (int j=0; j<W; j++) {
                    if (a[i,j] % 2 == 1) {
                        print = !print;
                    }

                    if (print) {
                        if (j + 1 < W) {
                            Console.Write("{0} {1} ", i+1, j+1);
                            Console.WriteLine("{0} {1}", i+1, j+2);
                        } else if (i + 1 < H){
                            Console.Write("{0} {1} ", i+1, j+1);
                            Console.WriteLine("{0} {1}", i+2, j+1);
                        }
                    }
                }
            } else {
                for (int j=W-1; j>=0; j--) {
                    if (a[i,j] % 2 == 1) {
                        print = !print;
                    }

                    if (print) {
                        if (j >= 1) {
                            Console.Write("{0} {1} ", i+1, j+1);
                            Console.WriteLine("{0} {1}", i+1, j);
                        } else if (i + 1 < H){
                            Console.Write("{0} {1} ", i+1, j+1);
                            Console.WriteLine("{0} {1}", i+2, j+1);
                        }
                    }
                }
            }
        }
    }
}

class Scanner
{
    string[] s;
    int i;
    int max_i;

    public Scanner()
    {
        s = new string[0];
        max_i = 0;
        i = 0;
    }

    public string nextString()
    {
        if (i >= s.Length)
        {
            s = Console.ReadLine().Split(' ');
            max_i = s.Length;
            i = 0;
            if (max_i == 0)
            {
                return "";
            }
            return s[i++];
        }
        else
        {
            return s[i++];
        }
    }

    public int nextInt()
    {
        return int.Parse(nextString());
    }


    public long nextLong()
    {
        return long.Parse(nextString());
    }

    public double nextDouble()
    {
        return double.Parse(nextString());
    }

    public string[] arrayString()
    {
        return Console.ReadLine().Split(' ');
    }

    public int[] arrayInt()
    {
        string[] str = Console.ReadLine().Split(' ');
        int[] array = new int[str.Length];
        for (int i = 0; i < str.Length; i++)
        {
            array[i] = int.Parse(str[i]);
        }
        return array;
    }

    public long[] arrayLong()
    {
        string[] str = Console.ReadLine().Split(' ');
        long[] array = new long[str.Length];
        for (int i = 0; i < str.Length; i++)
        {
            array[i] = long.Parse(str[i]);
        }
        return array;
    }

    public double[] arrayDouble()
    {
        string[] str = Console.ReadLine().Split(' ');
        double[] array = new double[str.Length];
        for (int i = 0; i < str.Length; i++)
        {
            array[i] = double.Parse(str[i]);
        }
        return array;
    }
}


Measured memory_bytes: 19888