import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String[] args) {Main instance = new Main();sc = instance.new Scanner();instance.solve();}
    private class Scanner {String[] s = new String[0];String regex = " ";int i = 0;BufferedReader br = new BufferedReader(new InputStreamReader(System.in));public String next() {try {if (i < s.length) { return s[i++];}String st = br.readLine();while ("".equals(st)) { st = br.readLine(); }s = st.split(regex, 0);i = 0;return s[i++];} catch (IOException e) { return null; }}public int nextInt(){return Integer.parseInt(next());}}        
    private static Scanner sc;

    private void solve() {
        System.out.println(sc.nextInt()%2+sc.nextInt()%2 == 2 ? "Odd" : "Even");
    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {
    public static void main(String[] args) {Main instance = new Main();sc = instance.new Scanner();instance.solve();}
    private class Scanner {String[] s = new String[0];String regex = " ";int i = 0;BufferedReader br = new BufferedReader(new InputStreamReader(System.in));public String next() {try {if (i < s.length) { return s[i++];}String st = br.readLine();while ("".equals(st)) { st = br.readLine(); }s = st.split(regex, 0);i = 0;return s[i++];} catch (IOException e) { return null; }}public int nextInt(){return Integer.parseInt(next());}}        
    private static Scanner sc;

    private void solve() {
        System.out.println(sc.nextInt()%2+sc.nextInt()%2 == 2 ? "Odd" : "Even");
    }
} Main private static Scanner sc; sc public static void main(String[] args) {Main instance = new Main();sc = instance.new Scanner();instance.solve();} main {Main instance = new Main();sc = instance.new Scanner();instance.solve();} Main instance = new Main(); instance new Main() sc = instance.new Scanner() sc instance.new Scanner() instance instance instance.solve() instance.solve instance String[] args args private void solve() {
        System.out.println(sc.nextInt()%2+sc.nextInt()%2 == 2 ? "Odd" : "Even");
    } solve {
        System.out.println(sc.nextInt()%2+sc.nextInt()%2 == 2 ? "Odd" : "Even");
    } System.out.println(sc.nextInt()%2+sc.nextInt()%2 == 2 ? "Odd" : "Even") System.out.println System.out System System.out sc.nextInt()%2+sc.nextInt()%2 == 2 ? "Odd" : "Even" sc.nextInt()%2+sc.nextInt()%2 == 2 sc.nextInt()%2+sc.nextInt()%2 sc.nextInt()%2 sc.nextInt() sc.nextInt sc 2 sc.nextInt()%2 sc.nextInt() sc.nextInt sc 2 2 "Odd" "Even" private class Scanner {String[] s = new String[0];String regex = " ";int i = 0;BufferedReader br = new BufferedReader(new InputStreamReader(System.in));public String next() {try {if (i < s.length) { return s[i++];}String st = br.readLine();while ("".equals(st)) { st = br.readLine(); }s = st.split(regex, 0);i = 0;return s[i++];} catch (IOException e) { return null; }}public int nextInt(){return Integer.parseInt(next());}} Scanner String[] s = new String[0]; s new String[0] 0 String regex = " "; regex " " int i = 0; i 0 BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) public String next() {try {if (i < s.length) { return s[i++];}String st = br.readLine();while ("".equals(st)) { st = br.readLine(); }s = st.split(regex, 0);i = 0;return s[i++];} catch (IOException e) { return null; }} next {try {if (i < s.length) { return s[i++];}String st = br.readLine();while ("".equals(st)) { st = br.readLine(); }s = st.split(regex, 0);i = 0;return s[i++];} catch (IOException e) { return null; }} try {if (i < s.length) { return s[i++];}String st = br.readLine();while ("".equals(st)) { st = br.readLine(); }s = st.split(regex, 0);i = 0;return s[i++];} catch (IOException e) { return null; } catch (IOException e) { return null; } IOException e { return null; } return null; null {if (i < s.length) { return s[i++];}String st = br.readLine();while ("".equals(st)) { st = br.readLine(); }s = st.split(regex, 0);i = 0;return s[i++];} if (i < s.length) { return s[i++];} i < s.length i s.length s s.length { return s[i++];} return s[i++]; s[i++] s i++ i String st = br.readLine(); st br.readLine() br.readLine br while ("".equals(st)) { st = br.readLine(); } "".equals(st) "".equals "" st { st = br.readLine(); } st = br.readLine() st br.readLine() br.readLine br s = st.split(regex, 0) s st.split(regex, 0) st.split st regex 0 i = 0 i 0 return s[i++]; s[i++] s i++ i public int nextInt(){return Integer.parseInt(next());} nextInt {return Integer.parseInt(next());} return Integer.parseInt(next()); Integer.parseInt(next()) Integer.parseInt Integer next() next public class Main {
    public static void main(String[] args) {Main instance = new Main();sc = instance.new Scanner();instance.solve();}
    private class Scanner {String[] s = new String[0];String regex = " ";int i = 0;BufferedReader br = new BufferedReader(new InputStreamReader(System.in));public String next() {try {if (i < s.length) { return s[i++];}String st = br.readLine();while ("".equals(st)) { st = br.readLine(); }s = st.split(regex, 0);i = 0;return s[i++];} catch (IOException e) { return null; }}public int nextInt(){return Integer.parseInt(next());}}        
    private static Scanner sc;

    private void solve() {
        System.out.println(sc.nextInt()%2+sc.nextInt()%2 == 2 ? "Odd" : "Even");
    }
} public class Main {
    public static void main(String[] args) {Main instance = new Main();sc = instance.new Scanner();instance.solve();}
    private class Scanner {String[] s = new String[0];String regex = " ";int i = 0;BufferedReader br = new BufferedReader(new InputStreamReader(System.in));public String next() {try {if (i < s.length) { return s[i++];}String st = br.readLine();while ("".equals(st)) { st = br.readLine(); }s = st.split(regex, 0);i = 0;return s[i++];} catch (IOException e) { return null; }}public int nextInt(){return Integer.parseInt(next());}}        
    private static Scanner sc;

    private void solve() {
        System.out.println(sc.nextInt()%2+sc.nextInt()%2 == 2 ? "Odd" : "Even");
    }
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String[] args) {Main instance = new Main();sc = instance.new Scanner();instance.solve();}
    private class Scanner {String[] s = new String[0];String regex = " ";int i = 0;BufferedReader br = new BufferedReader(new InputStreamReader(System.in));public String next() {try {if (i < s.length) { return s[i++];}String st = br.readLine();while ("".equals(st)) { st = br.readLine(); }s = st.split(regex, 0);i = 0;return s[i++];} catch (IOException e) { return null; }}public int nextInt(){return Integer.parseInt(next());}}        
    private static Scanner sc;

    private void solve() {
        System.out.println(sc.nextInt()%2+sc.nextInt()%2 == 2 ? "Odd" : "Even");
    }
}
