<?php /*atcoder.php*/

$t = new temp();

$t->stdin(fgets(STDIN));

unset($t);

class temp{
	private $stdin = array();
	
	public function __construct(){
	}

	public function stdin($data = null){
		$this->stdin = explode(“ “, $data);
		
		$s1 = $this->stdin[0] * $this->stdin[1];
		
		if(0 == ($s1 % 2)){
			echo "Even";
		}else{
			echo "Odd";
		}
	}
	
}

?>
