// editor1
#include <iostream>
#include<string>
using namespace std;
int main()
{
    string str;
    cin>>str;
    for(char c : str)
    {
        if(!(isalpha(c)))
        {
            cout<<"Invalid input";
            return 0;
        }
    }
    string res="";
    for(char c :str)
    {
        char low=tolower(c);
        {
            if(low!='a' && low!='e' && low!='i' && low != 'o' && low!='u')
            {
                res+=c;
            }
        }
    }
    cout<<res;
    returo 0;
}