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                                                                                       
                                                                                                      
$num = <STDIN>;                                                                                       
$num =~ s/\s+//g;                                                                                     
                                                                                                      
for ($i = 1; $i < $num; $i++) {                                                                       
    if ($i * $i == $num) {                                                                            
        print "Yes\n";                                                                                
        last;                                                                                         
    } elsif ($i * $i > $num) {                                                                        
        print "No\n";                                                                                 
        last;                                                                                         
    }                                                                                                 
}