import java.util.Scanner;
public class Main{
	public static void main(String args[]){
		Scanner i = new Scanner(System.in);
		int a = i.nextInt();
		int b = i.nextInt();
		a &= 1;
		b &= 1;
		if(a == 1 && b == 1){
			System.out.println(new char[]{'O','d','d'});
		}else{
			System.out.println(new char[]{'E','v','e','n'});
		}
	}
} import java.util.Scanner; Scanner java.util public class Main{
	public static void main(String args[]){
		Scanner i = new Scanner(System.in);
		int a = i.nextInt();
		int b = i.nextInt();
		a &= 1;
		b &= 1;
		if(a == 1 && b == 1){
			System.out.println(new char[]{'O','d','d'});
		}else{
			System.out.println(new char[]{'E','v','e','n'});
		}
	}
} Main public static void main(String args[]){
		Scanner i = new Scanner(System.in);
		int a = i.nextInt();
		int b = i.nextInt();
		a &= 1;
		b &= 1;
		if(a == 1 && b == 1){
			System.out.println(new char[]{'O','d','d'});
		}else{
			System.out.println(new char[]{'E','v','e','n'});
		}
	} main {
		Scanner i = new Scanner(System.in);
		int a = i.nextInt();
		int b = i.nextInt();
		a &= 1;
		b &= 1;
		if(a == 1 && b == 1){
			System.out.println(new char[]{'O','d','d'});
		}else{
			System.out.println(new char[]{'E','v','e','n'});
		}
	} Scanner i = new Scanner(System.in); i new Scanner(System.in) int a = i.nextInt(); a i.nextInt() i.nextInt i int b = i.nextInt(); b i.nextInt() i.nextInt i a &= 1 a 1 b &= 1 b 1 if(a == 1 && b == 1){
			System.out.println(new char[]{'O','d','d'});
		}else{
			System.out.println(new char[]{'E','v','e','n'});
		} a == 1 && b == 1 a == 1 a 1 b == 1 b 1 {
			System.out.println(new char[]{'O','d','d'});
		} System.out.println(new char[]{'O','d','d'}) System.out.println System.out System System.out new char[]{'O','d','d'} {
			System.out.println(new char[]{'E','v','e','n'});
		} System.out.println(new char[]{'E','v','e','n'}) System.out.println System.out System System.out new char[]{'E','v','e','n'} String args[] args public class Main{
	public static void main(String args[]){
		Scanner i = new Scanner(System.in);
		int a = i.nextInt();
		int b = i.nextInt();
		a &= 1;
		b &= 1;
		if(a == 1 && b == 1){
			System.out.println(new char[]{'O','d','d'});
		}else{
			System.out.println(new char[]{'E','v','e','n'});
		}
	}
} public class Main{
	public static void main(String args[]){
		Scanner i = new Scanner(System.in);
		int a = i.nextInt();
		int b = i.nextInt();
		a &= 1;
		b &= 1;
		if(a == 1 && b == 1){
			System.out.println(new char[]{'O','d','d'});
		}else{
			System.out.println(new char[]{'E','v','e','n'});
		}
	}
} Main
import java.util.Scanner;
public class Main{
	public static void main(String args[]){
		Scanner i = new Scanner(System.in);
		int a = i.nextInt();
		int b = i.nextInt();
		a &= 1;
		b &= 1;
		if(a == 1 && b == 1){
			System.out.println(new char[]{'O','d','d'});
		}else{
			System.out.println(new char[]{'E','v','e','n'});
		}
	}
}
