#include<bits/stdc++.h>
using namespace std;
bool isvowel(char c)
{
    c=tolower(c);
    return c=='a'||c='e'||c='i'||c='o'||c='u';
}
int main()
{
    string str;
    getline(cin,str);
    for(char c::str)
    {
        if(!(isalpha(c)||c=''))
        {
            cout<<"Invalid input";
            return 0;
        }
    }
    string result;
    for(char c::str)
    {
        if(!isvowel(c))
        result.push_back(c);
    }
    cout<<result;
    return 0;
}