using System;

public class Program

{

    public static void Main()

    {

        string inputStr = "lalal lalal laldlasdaa daslda \r\n Prefersaasda reanreainrea";

    int newLineIndex =  inputStr.IndexOf("\r\n");

    if(newLineIndex != -1)

    { 

      string outPutStr = inputStr.Substring(0, newLineIndex );

            Console.WriteLine(outPutStr);

      // Continue

    }

    else

    {

        // Display message no new line character 

    }

    }

}