using System;

class Operations
{
    static void Main()
    {
        double n1 = double.Parse(Console.ReadLine());
        double n2 = double.Parse(Console.ReadLine());
        char op = char.Parse(Console.ReadLine());
        double result = 0;
        string stringFormat = string.Empty;
        string evenOrNot = string.Empty;
        if (op == '+' || op == '-' || op == '*')
        {
            if (op == '+')
            {
                result = n1 + n2;
                if (result % 2 == 0)
                {
                    evenOrNot = "even";
                }
                else
                {
                    evenOrNot = "odd";
                }
            }
            else if (op == '-')
            {
                result = n1 - n2;
                if (result % 2 == 0)
                {
                    evenOrNot = "even";
                }
                else
                {
                    evenOrNot = "odd";
                }
            }
            else
            {
                result = n1 * n2;
                if (result % 2 == 0)
                {
                    evenOrNot = "even";
                }
                else
                {
                    evenOrNot = "odd";
                }
            }
            Console.WriteLine("{0} {1} {2} = {3} - {4}", n1, op, n2, result, evenOrNot);
        }
        else if (op == '/' || op == '%')
        {
            if (n1 == 0 || n2 == 0)
            {
                if (n1 == 0)
                {
                    Console.WriteLine("Cannot divide zero by {0}", n2);
                }
                else
                {

                    Console.WriteLine("Cannot divide {0} by zero", n1);
                }
            }
            else if (op == '/')
            {
                result = n1 / n2;
                Console.WriteLine("{0} {1} {2} = {3}", n1, op, n2, Math.Round(result,2));
            }
            else if (op == '%')
            {
                result = n1 % n2;
                Console.WriteLine("{0} {1} {2} = {3}", n1, op, n2, result);
            }
        }
    }
}