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 Perl (v5.18.2) (judge verdict: Wrong Answer)

#!/usr/bin/perl

use strict;

print "input: ";
my $n = <STDIN>;
my ($a, $b) = $n =~ /(\d+)\s(\d+)/;

if ( ($a * $b) % 2 eq 0 ) {
    print "Even";
} else {
    print "Odd";
}