width = int(input("Enter a width: "))
height = int(input("Enter a height: "))
filled = input("Filled (y/n): ").lower() == 'y'


print("Here is your box:")
for h in range(height):
    if filled or h == 0 or h == height - 1:
        print("+ " * width)
    else:
        print("+ " + "  " * (width - 2) + "+")