Problem:
Score : 100 points

Problem Statement

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.

Sample Input 1

3 4

Sample Output 1

Even

As 3 × 4 = 12 is even, print Even.

Sample Input 2

1 21

Sample Output 2

Odd

As 1 × 21 = 21 is odd, print Odd.

Solution in PHP7 (7.0.15) (judge verdict: Wrong Answer)

<?php
  
$line = fgets(STDIN);
$tmp = explode(" ", $line);

$result = $tmp[0] . $tmp[1];

for ($i = 1; $i <= 100; $i++) {
	if ($i * $i === (int)$result) {
    	echo "Yes\n";
      	exit;
    }
}
echo "No\n";