#include <bits/stdc++.h> using namespace std; int main() { int i,t; char a[50]; cin>>t; while (t--) { cin>>a; i=0; while (i<strlen(a)) { if (a[i]=='a' or a[i]=='e' or a[i]=='i' or a[i]=='o' or a[i]=='u') a[i]=a[i]-32; else if (a[i]=='A' or a[i]=='E' or a[i]=='I' or a[i]=='O' or a[i]=='U') ; else if (a[i]>='A' and a[i]<='Z') a[i]=a[i]+32; i++; } cout<<a<<endl; } return 0; }