using System;
using System.IO;

class Program
{
    static void kirjutaja(FileStream fail)
    {
        StreamReader sr = new StreamReader(fail);
        string st = "";
        st = sr.ReadLine();
        while (st != null)
        {
            Console.WriteLine(st);
            st = sr.ReadLine();
        }

    }

    static void otsi(FileStream ff,FileStream f)
    {
        StreamReader sr = new StreamReader(ff);
        StreamWriter sw = new StreamWriter(f);

        string otsitav = ";";
        string nimi = "";
        string isikukood = "";
        string rida = "";
        int vanus=0;
        string st = "";
        st = sr.ReadLine();
        int pik = 0;

        int k = 0, pikkus = otsitav.Length;

        while (st != null)
        {
            for (int i = 0; i <= st.Length - pikkus; i++)
            {
                if (otsitav == st.Substring(i, pikkus))
                {
                    pik = st.Length;
                    nimi = st.Substring(0,st.IndexOf(";"));
                    isikukood = st.Substring(st.IndexOf(";")+1,11).ToUpper();
                    if (nimi.ToUpper() == "TÕNIS")
                    {
                        vanus = 112 - Convert.ToInt32(st.Substring(st.IndexOf(";") + 2, 2));
                        rida = nimi + " " +isikukood+ " " + vanus.ToString();
                    }
                    else
                    rida = nimi + " " + isikukood;
                    //v2rvus = st.Substring(i + 9, pik-2);
                    sw.WriteLine(rida);

                }
            }
            st = sr.ReadLine();
        }
        sw.Close();


    }

    static void Main(string[] args)
    {
        string fnimi = "Z:/isikuline/paul/12ab/Materjalid/andmed1.csv";
        FileStream ff = new FileStream(fnimi, FileMode.Open, FileAccess.Read);
        FileStream ffff = new FileStream(fnimi, FileMode.Open, FileAccess.Read);
        FileStream f = new FileStream("Y:\\C#\\enda_nimi.csv", FileMode.Create, FileAccess.Write);


        Console.Clear();
        kirjutaja(ffff);
        otsi(ff,f);

        Console.WriteLine("--------------------------------------");
        FileStream fff = new FileStream("Y:\\C#\\enda_nimi.csv", FileMode.Open, FileAccess.Read);
        kirjutaja(fff);
    }
}