#include <iostream>
#include <string>
using namespace std;
class StringProcessor {
    public:
    static string removeVowels(string str){
        for (int i =0 ; i < str.length (); i++){
            if(!((str[i]) >='a' && str[i]<= 'z')|| 
                (str[i] >='A' && str[i] <='Z')|| 
                str[i] =='')){
                return "Invalid input"
            }
            
        }
        string result ="";
        for (int i=0; i<str.length (); i++){
             char ch = str[i];
             if (!(ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u' || ch == 'A' || ch == 'E' || ch == 'I' ||
                   ch == 'O' || ch == 'U')){
                result +=ch;
            }
            
        }
        return result; 
        
    }
};
int main(){
    string str;
    getline(cin , str);
    cout << StringProcessor::removeVowels(str);
    return 0;
}