// editor1\\
#include <iostream>
#include <string>
using namespace std;

int main() {
    string str;
    cin >> str;

    // Check for invalid input
    for (char ch : str) {
        if (!isalpha(ch)) {
            cout << "Invalid input";
            return 0;
        }
    }

    string vowels = "aeiouAEIOU";

    // Remove vowels
    for (int i = 0; i < str.length(); ) {
        if (vowels.find(str[i]) != string::npos)
            str.erase(i, 1);
        else
            i++;
    }

    cout << str;
    return 0;
}