using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Account's Balance");

        var account = new Account();

        account.ShowBalance();

        account.Deposit(250);

        account.ShowBalance();

        account.ShowOperations(250);

        account.Withdraw(200);

        account.ShowBalance();

        account.ShowOperations(200);

        account.ShowOperations(201);

        account.Deposit(10);

        account.ShowBalance();

        account.ShowOperations(10);     

        account.ShowOperations(200);

​

    }

}

​

public interface IAccount

{

    public void Deposit(decimal money);     

    public void Withdraw(decimal money);

    public void ShowOperations(decimal criteria);

    public void ShowBalance();

}

​

public class Operation

{

    public string Name { get; set; }

    public decimal Value { get; set; }

    public string Show()

    {

        return $"Operation {Name} - Value {Value}";

    }

}

​

public class Account : IAccount

{

    private decimal accountBalance = 0;

    private List<Operation> operations = new List<Operation>();

    public void AddOperation(string operation, decimal money)

    {

        operations.Add(new Operation { Name = operation, Value = money});

    }

    public void Deposit(decimal money)

    {

        accountBalance += money;

        AddOperation("deposit", money);

    }

    public void Withdraw(decimal money)

    {

        accountBalance -= money;

        AddOperation("withdraw", money);

    }

    public void ShowOperations(decimal criteria)

    {

        var query = operations.Where(operation => operation.Value >= criteria).ToList();

        foreach(var operation in query)

        {

            Console.WriteLine(operation.Show());

        }

    }

    public void ShowBalance()

    {

        Console.WriteLine($"Balance: {accountBalance}");

    }

}