using System;

using System.Collections.Generic;

using System.Text;



namespace comodo

{

    class Program

    {

        static void Main(string[] args)

        {

            string s1 = "Testretest";

            string s2 = "te";

            int result1 = s1.IndexOf(s2);

            int result2 = s1.LastIndexOf(s2);

            Console.WriteLine(result1);

            Console.WriteLine(result2);

        }

    }

}