#683. Values that appear more than 2 times
Print the values that appear more than 2 times, in increasing order. If there are none, print `None`.
### Input
The first line has n, the second line has n integers separated by spaces.
### Output
One line.
Examples
Input
9 5 0 1 4 3 1 2 3 5
Output
None
Input
10 1 3 3 1 1 2 2 3 5 1
Output
1 3
💡 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.