import java.util.Scanner;

public class Main { 
    public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
    	String[] firstLine = sc.nextLine().split(" ");

    	int firstNumber = Integer.parseInt(firstLine[0]);
    	int secoundNumber = Integer.parseInt(firstLine[1]);
    	
    	String result = "Odd";
    	if(firstNumber%2 == 0 || secoundNumber%2 == 0) {
    		result = "Even";
    	}
    	System.out.print(result);
    	
    }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz