using System;

​

namespace relativeList

{

​

    public class Relative : IComparable {

        public string Name { get; set;}

        public string Relationship { get; set; }

        public int Day { get; set; }

        public int Month { get; set; }

        public int Year { get; set; }

        public Relative()

        {

            Name  = "";

            Relationship = "";

            Day = 0;

            Month = 0; 

            Year = 0;

        }

​

​

​

​

        int IComparable.CompareTo(object obj)

        {

            if (obj == null) return 1;

            Relative relObj = obj as Relative;

            if (relObj != null)

                return this.Name.CompareTo(relObj.Name);

            else

                throw new NotImplementedException();

        }

        public override string ToString()

        {

            string Date = Day + "/" + Month + "/" + Year;

            string output = String.Format("{0,5} {1,10} {2,13} ",Name,Relationship,Date);

            return output;

        }

    }

​

​

    public class Program

    {

      static void Main(string[] args)

        {

          Relative person2 = new Relative();

          person2.Name ="george Ben";

          Relative[] person = new Relative[12];

          string NumberasDateDayasString;

          string NumberasDateMonthasString;

          string NumberasDateYearasString;

            for (int NameCounter = 0; NameCounter < 12; NameCounter++)

            {

               person[NameCounter] = new Relative();

               person[NameCounter].Name =  Console.ReadLine();

               person[NameCounter].Relationship = Console.ReadLine();

               NumberasDateDayasString = Console.ReadLine();

               person[NameCounter].Day = Convert.ToInt32(NumberasDateDayasString);

               NumberasDateMonthasString = Console.ReadLine();

               person[NameCounter].Month = Convert.ToInt32(NumberasDateMonthasString);

               NumberasDateYearasString = Console.ReadLine();

               person[NameCounter].Year = Convert.ToInt32(NumberasDateYearasString);

            }

            Array.Sort(person);

          for (int NameCounter = 0; NameCounter < 12; NameCounter++)

              Console.WriteLine(person[NameCounter].ToString());

        }

    }

}

​