;

public class Building {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int floors = Integer.parseInt(scanner.nextLine());
        int rooms = Integer.parseInt(scanner.nextLine());
        for (int i = floors; i > 0  ; i--) {
            for (int j = 0; j < rooms; j++) {
                if (i ==floors){
                    System.out.printf("L%d%d ",i,j);

                }else {
                    if (i % 2 ==0){
                        System.out.printf("O%d%d ",i,j);
                    }else {
                        System.out.printf("A%d%d ",i,j);
                    }
                }


            }
            System.out.println();

        }


    }
}