using System;
using System.Collections.Generic;
namespace DrugiZadatak
{
    class Program
    {
        static void Main(string[] args)
        {
            List<int> numbersInput = new List<int>();

            Console.WriteLine("Unesite vas broj godina");
            int input = Convert.ToInt32(Console.ReadLine());
            numbersInput.Add(input);
            while (input > 18 && input < 100)
            {
                Random random = new Random();
                int number = random.Next(19, 100);
                int number2 = random.Next(19, 100);
                int number3 = random.Next(19, 100);
                int number4 = random.Next(19, 100);
                int number5 = random.Next(19, 100);

                if (numbersInput.IndexOf(number) != -1 || numbersInput.IndexOf(number2) != -1 || numbersInput.IndexOf(number3) != -1 || numbersInput.IndexOf(number4) != -1 || numbersInput.IndexOf(number5) != -1)
                {
                    numbersInput.Add(number);
                    numbersInput.Add(number2);
                    numbersInput.Add(number3);
                    numbersInput.Add(number4);
                    numbersInput.Add(number5);

                    Console.WriteLine(number);
                    Console.WriteLine(number2);
                    Console.WriteLine(number3);
                    Console.WriteLine(number4);
                    Console.WriteLine(number5);
                    break;
                }


            }
            while (input < 18)
            {
                Random random = new Random();
                int number = random.Next(0, 17);
                numbersInput.Add(number);
                int number2 = random.Next(0, 17);
                numbersInput.Add(number2);
                int number3 = random.Next(0, 17);
                numbersInput.Add(number3);
                int number4 = random.Next(0, 17);
                numbersInput.Add(number4);
                int number5 = random.Next(0, 17);
                numbersInput.Add(number5);

                Console.WriteLine(number);
                Console.WriteLine(number2);
                Console.WriteLine(number3);
                Console.WriteLine(number4);
                Console.WriteLine(number5);
                break;
            }
        }
    }
}