ProgBasics07Nested-Loops-P04building

import java.util.Scanner;

public class P04building {
        public static void main(String[] args) {
            Scanner scanner = new Scanner(System.in);

            int floorCount = Integer.parseInt(scanner.nextLine());
            int roomsCountPerFloor = Integer.parseInt(scanner.nextLine());

            for(int floor = floorCount; floor > 0; floor--) {
                for (int room = 0; room < roomsCountPerFloor; room++) {
                    if(floor == floorCount){
                        System.out.printf("L%d%d ", floor, room);
                    } else {
                        if(floor %2 == 0){
                            System.out.printf("O%d%d ", floor, room);
                        } else{
                            System.out.printf("A%d%d ", floor, room);
                        }
                    }
                }
                System.out.println();
            }
        }
    }