using System;

public class Program

{

    public static void Main(string[] args)

    {

        string phrase = ("MIS NOMBRES SON: Gabriel Franz\nMIS APELLIDOS SON: TICONA CONDORI");

        Console.WriteLine(phrase.ToUpper());

        Console.WriteLine(phrase.IndexOf("Gabriel"));

        Console.WriteLine(phrase.Contains("TICONA CONDORI"));

        Console.WriteLine(phrase.Contains("TICONA CORDOVA"));

        Console.WriteLine(phrase[17]);

        Console.ReadLine();

    }

}