05. Building

# 05. Building

floors = int(input())
rooms = int(input())
letter = None

for floor in range(floors, 0, -1):
    for room in range(0, rooms):
        if floor == floors:
            letter = "L"
        elif floor % 2 == 0:
            letter = "O"
        else:
            letter = "A"
        print(f"{letter}{floor}{room} ", end='')
    print()