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

namespace Building
{
    class Program
    {
        static void Main(string[] args)
        {
            int floors = int.Parse(Console.ReadLine());
            int rooms = int.Parse(Console.ReadLine());
            int counter = -1;

            for (int i = floors; i >= 1; i--)
            {
                for (int j = 0; j < rooms; j++)
                {

                    if (floors == 1 || i == floors)
                    {
                        Console.Write($"L{i}{j} ");
                    }
                    else if (i % 2 == 0)
                    {
                        Console.Write($"О{i}{j} ");
                    }
                    else
                    {
                        Console.Write($"А{i}{j} ");
                    }
                }
                Console.WriteLine("");
            }

        }
    }
}