#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';
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8c3RyaW5nPgpjb25zdCBzdGQ6OnN0cmluZyB2b3dlbHMgPSAiYWVpb3UiOwppbnQgbWFpbigpCnsKICAgIHN0ZDo6c3RyaW5nIGxpbmU7CiAgICBnZXRsaW5lKHN0ZDo6Y2luLCBsaW5lKTsKICAgIGZvcihzaXplX3QgaSA9IDA7IGkgPCBsaW5lLnNpemUoKTsgKytpKQogICAgICAgIGlmKHZvd2Vscy5maW5kKGxpbmVbaV0pICE9IHN0ZDo6c3RyaW5nOjpucG9zKQogICAgICAgICAgICBzdGQ6OmNvdXQgPDwgbGluZVtpXSA8PCAiICI7CiAgICBzdGQ6OmNvdXQgPDwgJ1xuJzsKfQo=