using System;

public class Program

{

    public static void Main()

    {

        string s_top = "stop";

        Console.WriteLine("input your name.");

        string name = Console.ReadLine();

        string Name = (name + ("."));

        Console.WriteLine("Your name is " + name);

        Console.WriteLine("");

        Console.WriteLine("Input your age");

        int age = int.Parse(Console.ReadLine());

        Console.WriteLine("your age is " + age);

        Console.WriteLine("");

        Console.WriteLine("What year is it now?");

        int year = int.Parse(Console.ReadLine());

        Console.WriteLine("it is " + year);

        Console.WriteLine("");

        Console.WriteLine(" [if you want stop this program, type 'stop'] ");

        while(true)

        {

        Console.WriteLine("When you want to go?");

        string Decade = Console.ReadLine();

        if(s_top == Decade){

            Console.WriteLine("This program is succesfully stopped.");

            break;} 

        int decade = int.Parse(Decade); 

            if(decade - year > 0){

                Console.WriteLine("your age in " + decade+" " +"is " + (decade - year + age) + " " + Name );

                        Console.WriteLine("");

            }

            else{

                Console.WriteLine("your age in " + decade+" " +"was " + (decade - year + age) + " " + Name );

                        Console.WriteLine("");

                }

        }

    }

}