// editor1
#include<iostream>
#include<string>
using namespace std;
int main()
{
    string str;
    getline(cin,str);
    string result = "";
    string vowels ="aeiouAEIOU";
    for(char ch : str)
    {
        if(!isalpha(ch) && ch !=' ')
        {
            cou<<"Invalid input";
            return 0;
        }
        if(vowels.find(ch) == string ::npos)
        {
            result +=c;
        }
    }
    cout<<result;
    return 0;
}