package com.company;
public class Test {
    public static void main(String[] args) {

        String str = "xxHxix";
        // String str2= "abbbxxd";
        String str3 = "";
        boolean a = false;
        int leng1 = str.length();
        int count = 0;
        int leng2 = leng1-2;
        if ((str.substring(0,1).equals("x") && str.substring(leng1-1,leng1).equals("x") )) {
            str = str.substring(1, leng1 - 1);
            leng1 = str.length();
            a = true;
        }
      for (int i = 0; i<leng1; i++)
      {
           if (str.substring(i,i+1).equals("x"))
           {
               count++;
           }
               else
               str3 = str3 + str.substring(i,i+1);
      }


        if (a) {
            System.out.println("x" + str3 + "x");
        }
        else
            System.out.println(str3);
    }
}