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

string removeVowels(string str) {
    for (char c: str) {
        if (! isalpha(c) && c !=' ') {
            return "invalid input" ;
        }
    }
    string result = " ";
    for (char c : str) {
        if (c != 'a' && c != 'e' && c != 'i' && c != 'o' && c != u && c != 'A' && c != 'E' && c!= 'I' && c!='O' && c != 'U') {
            result += c;
        }
    }
    return result;
}
int main() {
    string str;
    getline(cin, str);
    
    cout << removeVowels(str) << endl;
    return 0;
}