using System;
using static System.Console;

namespace The_begining
{
    class Program
    {
        static void Main(string[] args)
        {
            decimal N1 = decimal.Parse(Console.ReadLine());
            decimal N2 = decimal.Parse(Console.ReadLine());
            string symbol = Console.ReadLine();

            decimal result = 0.00M;
            string output = string.Empty;

            if (N2 == 0 && (symbol.Equals("/") || symbol.Equals("%")))
            {
                output = string.Format("Cannot divide {0} by zero", N1);
            }
            else if (symbol.Equals("/"))
            {
                result = N1 / N2;
                output = string.Format("{0} {1} {2} = {3:F2}", N1, symbol, N2, result);

           }
            else if (symbol.Equals("%"))
            {
                result = N1 % N2;
                output = string.Format("{0} {1} {2} = {3}", N1, symbol, N2, result);
            }
            else
                if (symbol.Equals("+"))
            {
                result = N1 + N2;
            }
            else if (symbol.Equals("-"))
            {
                result = N1 - N2;
            }
            else if (symbol.Equals("*"))
            {
                result = N1 * N2;
            }

            output = string.Format("{0} {1} {2} = {3} - {4}", N1, symbol, N2, result, result % 2 == 0
                ? "even" : "odd");
            Console.WriteLine(output);
        }
    }
}