    /* package whatever; // don't place package name! */
     
    import java.util.*;
    import java.lang.*;
    import java.io.*;
     
    /* Name of the class has to be "Main" only if the class is public. */
    class Ideone
    {
    	public static void main (String[] args) throws java.lang.Exception
    	{
    		// your code goes here
    		Scanner in=new Scanner(System.in);
    		int a=in.nextInt();
    		int b=in.nextInt();
    		if(a%2==0 || b%2==0)
    		System.out.println("even");
    		else System.out.println("odd");
    	}
    }