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

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