import java.io.*;
public class Main{
  public static void main(String args[]) throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    String s = br.readLine();
    if((s.charAt(s.indexOf(" ") - 1) & 1) == 0){
      System.out.println("Even");
    } else if ((s.charAt(s.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