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 PHP (7.4.4) (judge verdict: Wrong Answer)

<?php
$input_line = trim(fgets(STDIN));
for ($i = 0; $i < $input_line; $i++) {
  $s = trim(fgets(STDIN));
  $s = str_replace(array("\r\n","\r","\n"), '', $s);
  $s = explode(" ", $s);
  echo "hello = ".$s[0]." , world = ".$s[1]."\n";
}
?>