// editor1
#include<iostream>
#include<string>
using namespace std;
bool check (string s)
{
    for(char i:s)
    {
        if(!isalpha(i))
        return true;
    }
    return false;
}
int main()
{
    string str ;
    getline(cin,str);
    if(check(str));
    {
        cout <<"Invalid input";
        return 0;
    }
    else if (!(str.size() >= 1 && str.size() <= 10000))
    return 0;
    
    else
    {
        string rs ="";
        for(char i:str)
        {
            if(i =='A' || i =='E' ||i =='I' ||i =='O' ||i =='U' ||i =='a' ||i =='e' ||i == 'i' ||i =='o' ||i =='u' );
            continue;
            else
            rs +=i;
        }
        cout<< rs <<endl;
        
    }
    return 0;
}