using System;

namespace ConsoleApplication3
{
    class Calculator
    {
        static void Main(string[] args)
        {
            int x = int.Parse(Console.ReadLine());
            char function = Console.ReadLine()[0];

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

            switch (function)
            {
                case '+':
                    Console.WriteLine($"{x} + {y} = {x + y}");
                    break;
                case '-':
                    Console.WriteLine($"{x} - {y} = {x-y}");
                    break;
                case '*':
                    Console.WriteLine($"{x} * {y} = {x*y}");
                    break;
                case '/':
                    Console.WriteLine($"{x} / {y} = {x/y}");
                    break;
                default:
                    Console.WriteLine("Invalid");
                    break;
            }

        }
    }
}