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

print()
print("Here is your box:")

if filled == "y":
    for meow in range (0, height):
        print("+ " * width)

else:
    print("+ " * width)
    for meow in range (2, height):
        print("+", " " * ((width * 2) - 3), "+")
    print("+ " * width)