#include <bits/stdc++.h> using namespace std; string a; int main() { int r; cin >> r; for(int i=1;i<=r;i++) { a=""; cin >> a; int len=a.size(); for(int j=0;j<len;j++) if(a[j]=='a' || a[j]=='e' || a[j]=='i' || a[j]=='o' || a[j]=='u' || a[j]=='A' || a[j]=='E' || a[j]=='I' || a[j]=='O' || a[j]=='U') { if(a[j]=='a' || a[j]=='e' || a[j]=='i' || a[j]=='o' || a[j]=='u') a[j]-=32; } else if(a[j]>='A' && a[j]<='Z') a[j]+=32; cout << a << endl; } return 0; }