#include<bits/stdc++.h> using namespace std; bool isVowel(char c){ c=tolower(c); return c=='a'||c=='e'||c=='i'||c=='o'||c=='u'; } int main(){ int T; cin>>T; while(T--){ string s; cin>>s; string ans; for(char ch : s){ if(isVowel(ch)) ans+=toupper(ch); else ans+=tolower(ch); } cout<<ans<<endl; } return 0; }