public static void Main()
string b="?L0RMQ19Qb3J0YWwvRGxpbmtfU3lzdGVtTW9uaW50b3JGb3JtQ29udGVudC5hc3B4P0VpbkI2ND1VbVZ4ZFdsemFYUnBiMjVKUkQweE9UVXhNelUzTUMwNFJrVkdMVFExTTBFdFFrSkVRUzAyTmpSQlJrTXhSRFF3UlVNbVNXUmxiblJwWm5rOVFrSlQ=?=";
string c = System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(b));