#include<iostream>
#include<cctype>
using namespace std;

class TextProcessor{
    public:
    static int count;
    
    static string convertToUpper (string str){
       for(char c: str){
           if(!(isalpha(c) || c=' ')({
               return "Invalid input";
           }
       }
            for(char &c : str){
                c=toupper(c);
            }
            count++;
            return str;
    }
};

int main(){
    int n;
    cin>>n;
    cin.ignore();
    
    for(int i=0; i<n; i++){
        string s;
        getline(cin, s);
        cout<<TextProcessor::convertToUpper(s)<<endl;
        if(i!=n-1)
        cout<<endl;
    }
    return 0;
}