# Evens in the interval

Execution time limit is 1 second

Runtime memory usage limit is 128 megabytes

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.

## Examples

Input #1

Answer #1

Submissions 15K

Acceptance rate 51%