using System;

public class Program

{

    public static void Main()

    {

        int N1 = int.Parse(Console.ReadLine());

        int N2 = int.Parse(Console.ReadLine());

        string symbol = Console.ReadLine();

        double result = 0;

        switch (symbol)

        {

            case "+":

                if (N1>N2 || N1<N2 || N1==N2 || N1 != N2)

                {

                    result = N1 + N2;

                    if (result %2 == 0)

                    {

                    Console.WriteLine($"{result} - even");

                        }

                    else{

                    Console.WriteLine($"{result} - odd");

                        }

                }

                break;

            case "-":

                if (N1<N2)

                {

                    result = N2-N1;

                    if (result %2 == 0)

                    {

                    Console.WriteLine($"{result} - even");

                        }

                    else{

                    Console.WriteLine($"{result} - odd");

                        }

                }

                break;

        }

    }

}