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