#665. Values that appear more than 1 times
Print the values that appear more than 1 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
15 1 5 1 5 5 4 4 4 2 1 1 0 4 2 2
Output
1 2 4 5
Input
14 4 4 5 5 5 4 2 1 2 0 5 1 0 0
Output
0 1 2 4 5
💡 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.