using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("enter the first digit");

        string num1 = Console.ReadLine();

        Console.WriteLine("enter the first digit");

        string num2 = Console.ReadLine();

        Console.WriteLine("enter the operator");

        string op = Console.ReadLine();

        float answer = 0;

        float flNum1 = float.Parse(num1);

        float flNum2 = float.Parse(num2);

        if (op == "+")

        {

            answer = flNum1 + flNum2;

            Console.WriteLine("char is " + op + "answer is "+ answer.ToString());

        }

        else if (op == "-")

        {

            answer = flNum1 - flNum2;

            Console.WriteLine("char is " + op + "answer is "+ answer.ToString());

        }

        else if (op == "*")

        {

            answer = flNum1 * flNum2;

            Console.WriteLine("char is " + op + "answer is "+ answer.ToString());

        }

        else if (op == "/")

        {

            answer = flNum1 / flNum2;

            Console.WriteLine("char is " + op + "answer is "+ answer.ToString());

        }

    }

}