#include<iostream> #include<cstring> #include<cmath> using namespace std; int main(){ string a,b; int c,d,e; cin>>c; while(c--){ cin>>a; d=a.size(); for(int i=0;i<d;i++){ if(a[i]<='Z'&&a[i]>='A'){ a[i]+=32; } if(a[i]=='a'||a[i]=='e'||a[i]=='i'||a[i]=='o'||a[i]=='u'){ a[i]-=32; } } cout<<a<<endl; } }