Hometask.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication4
{
    class Program
    {
        static void Main(string[] args)
        {
            String answer, answerUp;
            String Tochno = " точно";
            String Tochno2 = "";
            Int64 Y=0;
            Console.WriteLine("Вы согласны с лицензионным соглашением?");
            answer = Console.ReadLine();
            answerUp = answer.ToUpper();
            Y = answerUp.IndexOf("А");
            while (Y != -1)
            {
                Console.Write("Вы");
                Console.Write(Tochno2);
                Console.WriteLine(" увeрены?");
                answer = Console.ReadLine();
                answerUp = answer.ToUpper();
                Y = answerUp.IndexOf("А");
                Tochno2 = Tochno2 + Tochno;
            }
            Console.WriteLine("Ну и зря!");
            Console.ReadLine();
        }
    }
}