#646. Difference (in a, but not in b)
You are given two lists. Print the **Difference (in a, but not in b)** in increasing order. If it is empty, print `None`.
### Input
The first two lines have n and the list a, the next two lines have m and the list b.
### Output
One line.
Examples
Input
7 12 12 14 2 3 7 6 3 2 0 0
Output
3 6 7 12 14
Input
1 1 2 5 0
Output
1
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.