#nullable enable

using System.Numerics;

object? Solve()
{
    var x = Int();
    var y = Int();
    var res = new List<(int, int)>();
    var t = 1;
    for (var i = 1; i <= x; i++)
    {
        var ti = t;
        for (var j = 1; j < y; j++)
        {
            var nt = ti + 1;
            res.Add((ti, nt));
            ti++;
        }
        t += y;
    }
    t = 1;
    for (var i = 1; i <= x; i++) 
    {
        var nt = t + y;
        if (i == x) nt = 1;
        res.Add((t, nt));
        t += y;
    }
    var k = x * y;
    Out(k + " " + k);
    foreach (var (u, v) in res) Out(u + " " + v);
    return null;
}

#region
AtCoderIO _io_;
var _backend_ = new StandardIOBackend();
_io_ = new(){ Backend = _backend_ };
Out(Solve());
_backend_.Flush();

string String() => _io_.Next();
int Int() => int.Parse(String());
void Out(object? x, string? sep = null) => _io_.Out(x, sep ?? Environment.NewLine);

class AtCoderIO
{
    public required StandardIOBackend Backend { get; init; }

    Memory<string> _input = Array.Empty<string>();
    int _iter = 0;
    public string Next()
    {
        while (_iter >= _input.Length) (_input, _iter) = (Backend.ReadLine().Trim().Split(' '), 0);
        return _input.Span[_iter++];
    }

    public void Out(object? x, string separator)
    {
        if (x == null) return;
        if (x is System.Collections.IEnumerable a and not string)
        {
            var objects = a.Cast<object>();
            if (!objects.Any()) return;
            x = string.Join(separator, objects);
        }
        Backend.WriteLine(x);
    }
}

class StandardIOBackend
{
    readonly StreamReader _sr = new(Console.OpenStandardInput());
    readonly StreamWriter _sw = new(Console.OpenStandardOutput()) { AutoFlush = false };
    public string ReadLine() => _sr.ReadLine()!;
    public void WriteLine(object? value) => _sw.WriteLine(value);
    public void Flush() => _sw.Flush();
}
#endregion

static class Extensions
{
    public static T[] Repeat<T>(this int time, Func<T> F) => Enumerable.Range(0, time).Select(_ => F()).ToArray();
}