using System;

public class Program

{

    public static void Main()

    {

        string text="interviewer";

        string text1;

        int num=text.Length;

        for(var i=0;i<num;i++){

            if(text[i]!=text[i+1])

            {

                text1+=text[i];

            }

        }

        Console.writeline(text1);

    }

}