<?php
while($lines = fgets(STDIN)) {
    $tmp[] = trim($lines);
}

$total = 0;
$str = '';
foreach($tmp as $a){
    list($b1, $b2) = explode(' ', $a);
    $even = ($b1*$b2) %2;
}

$result = $even ? 'Even' : 'Odd';
echo $result. "\n";