using System;

public class Program

{

    public static void Main()

    {

        string first_user = "Sean";

        double first_balance = 500;

        string second_user = "Chloe";

        double second_balance = 800;

        string third_user = "Paul";

        double third_balance = 1250;

        Console.WriteLine ("Welcome to Key Bank ATM");

        Console.WriteLine ("Enter your name:");

        string input;

        input = Console.ReadLine();

        if(input.ToLower() == first_user.ToLower())

        {

            Console.WriteLine ("Would you like to make a deposit?");

            string user_input = Console.ReadLine();

            if(user_input.ToLower() == "Yes".ToLower())

            {

                Console.WriteLine ("How much would you like to deposit?");

                double deposit_amount = Double.Parse(Console.ReadLine());

                Console.WriteLine("Your new balance is " + (first_balance + deposit_amount));

            } else

            {

                Console.WriteLine("Your current balance is: " + first_balance);

            }

        }

        else if (input.ToLower() == second_user.ToLower())

        {

            Console.WriteLine("Would you like to make a deposit?");

            string user_input = Console.ReadLine();

            if (user_input.ToLower() == "Yes".ToLower())

            {

                Console.WriteLine("How much would you like to deposit?");

                double deposit_amount = Double.Parse(Console.ReadLine());

                Console.WriteLine("Your new balance is: " + (second_balance + deposit_amount));

            }

            else 

            {

                Console.WriteLine("Your current balance is: " + second_balance);

            }

​

        }

        else if (input.ToLower() == third_user.ToLower())

        {

            Console.WriteLine("Would you like to make a deposit?");

            string user_input = Console.ReadLine();

            if (user_input.ToLower() == "Yes".ToLower())

            {

                Console.WriteLine ("How much would you like to deposit?");

                double deposit_amount = Double.Parse(Console.ReadLine());

                Console.WriteLine("Your new balance is: " + (third_balance + deposit_amount));

            }

            else

            {

                Console.WriteLine("Your current balance is: " + third_balance);

            }

        }

        else

        {

            Console.WriteLine("We do not manage an account under that name");

        }

    }

}