#include <bits/stdc++.h> using namespace std; char s [100000]; char m [100000]; int main() { gets(s); for(int i = 0;i < strlen(s);++i) { if(s[i] == 'a' || s[i] == 'e' || s[i] == 'i' || s[i] == 'o' || s[i] == 'u' || s[i] == 'A' || s[i] == 'E' || s[i] == 'I' || s[i] == 'O' || s[i] == 'U') { cout << s[i]; } } return 0; }