import java.util.Scanner;

public class Switch1 {
    public static void main(String[] args) {
        System.out.println("Enter in a number:");
        Scanner scan = new Scanner(System.in);
        int x = scan.nextInt();

        switch(x)
        {
        case 1:
        case 3:
        case 5:
        case 7:
            System.out.println("odd");
            break;
        case 0:
        case 2:
        case 4:

        case 6:
            System.out.println("even");
            break;
        default:
            System.out.println("greater than 7");
            break;

        }

        scan.close();
    }

}