410286: GYM104002 A William and Mary

William and Mary are trying to complete their HW. The last HW question asks to find the absolute difference between the maximum odd number and minimum even number in a list of numbers. Help William and Mary solve their last problem!

The first and only line will contain $$$n$$$ integers $$$(1 \leq n \leq 10^5)$$$. All integers are at most $$$10^5$$$.

Output the absolute difference between the maximum odd number and minimum even number. If there is no even number or no odd number, print "None".

1 2 3 4 5 6 7

5

1 1 1 1 1 1 1

None