#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;
}