#include <iostream>
#include <string>
const std::string vowels = "aeiou";
int main()
{
    std::string line;
    getline(std::cin, line);
    for(size_t i = 0; i < line.size(); ++i)
        if(vowels.find(line[i]) != std::string::npos)
            std::cout << line[i] << " ";
    std::cout << '\n';
}