public static void Main()
var p2 = "/_catalogs/masterpage/MasterPage/tmk.teamsites.master";
var p3 = Path.Combine(p1.TrimStart('/').TrimEnd('/'), p2.TrimStart('/').TrimEnd('/'));
var p5 = Path.Combine(p4.TrimStart('/').TrimEnd('/'), p2.TrimStart('/').TrimEnd('/'));
var p6 = p1.TrimEnd('/') + p2;