#include<bits/stdc++.h>
using namespace std;
int n; string s;
int main(){
    scanf("%d",&n);
    while(n--){
        cin>>s;
        if(isupper(s[0])) s[0]-=32;
        for(int i=1;s[i];i++)
          if(islower(s[i])) s[i]+=32;
        cout<<s<<endl;
    }
    return 0;
}