width = int(input("enter a width: "))
height = int(input("enter a height: "))
filled = input("filled? (y/n): ")

print("Here is your box:")
if filled == "y":    
    for i in range(height):
        print("+ " * width)
else:
    spaces = width * 2 - 3
    print("+ " * width)
    for i in range(height - 2):
        print("+" + " " * spaces + "+")
    print("+ " * width)