Competitions

Evens in the interval

Print all even integers from the interval [a, b] in decreasing order.

Input

Two integers a and b (a < b).

Output

Print in one line all even integers from the interval [a, b] in decreasing order.

Time limit 1 second
Memory limit 128 MiB
Input example #1
2 7

Output example #1
6 4 2

Author Matviychuk Sergiy Volodymyrovych
Source "ABC programming"