#include<iostream>
using namespace std;

string moveAllX(string s)
{
	if(s.length()==0)
	{
		return " ";
	}
	char ch=s[0];
	string ans = moveAllX(s.substr(1));
	if(ch=='x')
	return(ans+ch);
	else
	return(ch+ans);
}
int main()
{
	cout<<moveAllX("axxbdxcefxhix");
}