import java.util.Scanner;

public class Building {
    public static void main(String[] args) {

        Scanner scanner=new Scanner(System.in);
        int floor=Integer.parseInt(scanner.nextLine());
        int room=Integer.parseInt(scanner.nextLine());
        for(int i=floor;i>=1;i--)
        {
            for(int j=0;j<room;j++)
                {
                    if(i==floor)
                    {System.out.print("L"+floor+j+" ");}
                    else if(i%2==0)
                    {System.out.print("O"+i+j+" ");}
                    else
                    { System.out.print("A"+i+j+" ");}
                }
            System.out.println(" ");
        }


    }
}