using System;

public class Program

{

    public static void Main()

    {

         /*idk how i memorized this but yea*/

            string loop,othr;

            int b;

            othr = "Y";

            while ((othr == "Y") || (othr == "y"))

            {

                Console.Clear();

                Console.WriteLine("calculator");

                Console.WriteLine("[1] add");

                Console.WriteLine("[2] take away");

                Console.WriteLine("[3] multiply");

                Console.WriteLine("[4] divide");

                Console.WriteLine("[5] exit");

                Console.WriteLine("what operation do u want to do dumb fuck");

                try

                {

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

                    if (b == 1)

                    {

                        loop = "Y";

                        while ((loop == "Y") || (loop == "y"))

                        {

                            try

                            {

                                Console.Clear();

                                Console.WriteLine("add number to number lol");

                                float a, bb;

                                Console.WriteLine("first quantity");

                                a = float.Parse(Console.ReadLine());

                                Console.WriteLine("second quantity");

                                bb = float.Parse(Console.ReadLine());

                                Console.WriteLine("{0} + {1} = {2}", a, b, a + b);

                                Console.WriteLine("do u want to add number again [y/n]");

                                loop = Console.ReadLine();

                            }

                            catch (Exception er)

                            {

                                Console.WriteLine("what did you fuck up this time you moron {0}", er.Message);

                                Console.WriteLine("do you want to run it back [y/n]");

                                loop = Console.ReadLine();

                            }

                        }

                    }

                    if (b == 2)

                    {

                        loop = "Y";

                        while ((loop == "Y") || (loop == "y"))

                        {

                            try

                            {

                                Console.Clear();

                                Console.WriteLine("take away");

                                float a, bb;

                                Console.WriteLine("first quantity");

                                a = float.Parse(Console.ReadLine());

                                Console.WriteLine("second quantity");

                                bb = float.Parse(Console.ReadLine());

                                Console.WriteLine("{0} - {1} = {2}", a, b, a - b);

                                Console.WriteLine("do u want to take away number again [y/n]");

                                loop = Console.ReadLine();

                            }

                            catch (Exception er)

                            {

                                Console.WriteLine("what did you fuck up this time you moron {0}", er.Message);

                                Console.WriteLine("do you want to run it back [y/n]");

                                loop = Console.ReadLine();

                            }

                        }

                    }

                    if (b == 3)

                    {

                        loop = "Y";

                        while ((loop == "Y") || (loop == "y"))

                        {

                            try

                            {

                                Console.Clear();

                                Console.WriteLine("multiply lol");

                                float a, bb;

                                Console.WriteLine("first quantity");

                                a = float.Parse(Console.ReadLine());

                                Console.WriteLine("second quantity");

                                bb = float.Parse(Console.ReadLine());

                                Console.WriteLine("{0} x {1} = {2}", a, b, a * b);

                                Console.WriteLine("do u want to multiply number again [y/n]");

                                loop = Console.ReadLine();

                            }

                            catch (Exception er)

                            {

                                Console.WriteLine("what did you fuck up this time you moron {0}", er.Message);

                                Console.WriteLine("do you want to run it back [y/n]");

                                loop = Console.ReadLine();

                            }

                        }

                    }

                    if (b == 4)

                    {

                        loop = "Y";

                        while ((loop == "Y") || (loop == "y"))

                        {

                            try

                            {

                                Console.Clear();

                                Console.WriteLine("divide shit bro what the fuck are u using this for ur probably older than 10");

                                float a, bb;

                                Console.WriteLine("first quantity");

                                a = float.Parse(Console.ReadLine());

                                Console.WriteLine("second quantity");

                                bb = float.Parse(Console.ReadLine());

                                Console.WriteLine("{0} / {1} = {2}", a, b, a / b);

                                Console.WriteLine("do u want to divide number again [y/n]");

                                loop = Console.ReadLine();

                            }

                            catch (Exception er)

                            {

                                Console.WriteLine("what did you fuck up this time you moron {0}", er.Message);

                                Console.WriteLine("do you want to run it back [y/n]");

                                loop = Console.ReadLine();

                            }

                        }

                    }

                    if (b == 5)

                        othr = "N";

                }

                catch (Exception)

                {

                    Console.WriteLine("how.");

                    Console.WriteLine("many.");

                    Console.WriteLine("FUCKING.");

                    Console.WriteLine("TIMES");

                    Console.WriteLine("DO I HAVE TO TELL YOU THAT YOU'RE SUPPOSED TO USE NUMBERS YOU FUCKING ILLITERATE SHIT EATER MEXICAN FUCK");

                    Console.WriteLine("DO YOU WANT TO TRY AGAIN YES OR NO DUMB FUCK [Y/N]");

                    othr = Console.ReadLine();

                }

            }

            Console.Clear();

            Console.WriteLine("USE AN ACTUAL CALCULATOR NEXT TIME DUMB FUCK");

            Console.WriteLine("OR MAYBE ACTUALLY LEARN MATH YOU AUTISTIC GOOSE");

            Console.WriteLine("PRESS ENTER AND PLEASE DO NOT USE THIS SHIT EVER AGAIN");

            Console.ReadLine();

    }

}