#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;
}