// editor1

#include <iostream>
#include <string>
using namespace std;

int main(){
    string str;
    cin>>str;
    string result="";
    string vowels="aeiouAEIOU";
    for(char ch:str){
        if(!isalpha(ch) && ch!=' '){
            cout<<"Invalid input"<<endl;
            return 0;
        }
        if(vowels.find(ch) !== string::npos){
            
        }
        else{
             result+=ch;
        }
    }
    cout<<result<<endl;
    return 0;
}