#include <bits/stdc++.h> using namespace std; int main() { int T; char s [1000000]; cin >> T; while(T --) { cin >> s; for(int i = 0;i < strlen(s); i++) { if(s[i] >= 'A' && s[i] <= 'Z') s[i] += 32; } } 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] -= 32; } cout << s << endl; return 0; }