Stacks and Queues - 7. Traffic Jam

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

namespace Advanced
{
    class Program
    {
        static void Main(string[] args)
        {
            int number = int.Parse(Console.ReadLine());
            string input = Console.ReadLine();
            var cars = new Queue<string>();

            int totalPassed = 0;

            while (input != "end")
            {
                if (input != "green")
                {
                    cars.Enqueue(input);
                }

                else
                {
                    var carToPass = Math.Min(number, cars.Count);

                    for (int i = 0; i < carToPass; i++)
                    {
                        Console.WriteLine($"{cars.Dequeue()} passed!");
                        totalPassed++;
                    }
                }
                input = Console.ReadLine();
            }
            Console.WriteLine($"{totalPassed} cars passed the crossroads.");
        }
    }
}