import java.io.BufferedReader;
import java.io.InputStreamReader;
 
public class Main {
    public static void main(String args[]) throws Exception{
        String[] s = new BufferedReader(new InputStreamReader(System.in)).readLine().split(" ");
        if((s[0].charAt(s[0].length() - 1) & 1) == 0 || (s[1].charAt(s[1].length() - 1) & 1) == 0){
          System.out.println("Even");
        } else {
          System.out.println("Odd");
        }
    }
}
/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