#include <string>
#include <vector>
#include <list>
#include <cmath>
#include <algorithm>
#include <map>
#include <set>
#include <iostream>
#include <sstream>
#include <cstdio>
#include <cstdlib>
using namespace std;

class Solution {
public:
    string sortVowels(string s);
};

string Solution::sortVowels(string s)
{
  return "";
}

int main()
{
  Solution s;
  string x;

  if (getline(cin, x)) cout << s.sortVowels(x) << endl;
  return 0;
}