#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin>>n;
    string s;
    for(int i=1;i<=n;i++){
        cin>>s;
        if(s[0]>='a'&&s[0]<='z')
            s[0]-=32;
        for(int j=1;j<=s.size()-1;j++)
            if(s[j]>='A'&&s[j]<='Z')
                s[j]+=32;
        cout<<s<<endl;
    }
    return 0;
}