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)

// 標準入力
$input = fgets(STDIN);

$input_array = explode(" ", $input);

if(($input_array[0]*$input_array[1]) % 2 == 0){
	echo("Even");
}else{
	echo("Odd");
}