using System;

public class Program

{

    public static void Main()

    {

         Console.WriteLine("How old are you?");

     string typedage;

      typedage = Console.ReadLine();

    int age = Convert.ToInt32(typedage);

      int dogyears = age * 7;

        Console.WriteLine("You are {0} years old in dog years!", dogyears);

    }

}