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
if __name__ == '__main__':
    
    a, b = raw_input().split()
    a   =   int(a)
    b   =   int(b)
    
    if a*b%2 == 0:
        print 'Even'
    elif a*b%2 == 1:
        print 'Odd'