class Program
    {
        public static void Main()
        {
            Console.Write("Enter n: ");
            int n = int.Parse(Console.ReadLine());

            string[] cities = new string[n];
            for (int i = 0; i < n; i++)
            {
                Console.Write("Enter city: ");
                cities[i] = Console.ReadLine();
            }

            bool isRight = true;
            for (int i = 0; i < n; i++)
            {
                isRight = false;
                string[] args = cities[i].Trim().Split(' ');
                if (args.Length == 2)
                {
                    isRight = true;
                }

                if (args.Length > 2)
                {
                    int counter = 0;
                    for (int j = 0; j < args.Length; j++)
                    {
                        if (args[j] != "")
                        {
                            counter++;
                        }
                    }
                    if (counter == 2)
                    {
                        isRight = true;
                    }
                }
                if (isRight)
                {
                    Console.WriteLine(cities[i]);
                }
            }
        }
    }