AtCoDeer the deer found two positive integers, a and b. Determine whether the product of a and b is even or odd.

Constraints

* 1 ≤ a,b ≤ 10000
* a and b are integers.

Input

Input is given from Standard Input in the following format:


a b


Output

If the product is odd, print `Odd`; if it is even, print `Even`.

Examples

Input

3 4


Output

Even


Input

1 21


Output

Odd
# -*- coding: utf-8 -*-

import sys

a, b = [int(e) for e in raw_input().split()]

ans = 'Even'
if (a & 1) and (b & 1):
    ans = 'Odd'
    
sys.stdout.write('%s\n' % (ans))
sys.stdout.flush()
