#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"l
                  }
        }
        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;
}