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 (5.6.30) (judge verdict: Accepted)

<?php
#include <stdio.h>
# 整数の入力
fscanf(STDIN, "%d %d", $a, $b);
$mod2 = ($a * $b) % 2;
if($mod2 == 1){
  $result = "Odd";
} else {
  $result = "Even";
}
echo $result."\n";