// editor1
#include<iostream>
#include<string>
#include<cctype>
using namespace std;
class textprocessor
{
    private:
    static int count;
    public:
    static void convertTOupper(string str)
    {
        bool valid=true;
        for(int i=0;i<str.length();i++)
        {
            for((!(str[i]>='a'&&str[i]<='z')||(str[i]>='A'&&str[i]<='Z')))
            {
                valid=false;
                break;
            }
        }
        if(valid)
        {
            for(int i=0;i<str.length();i++)
            {
                str[i]=toupper(str[i]);
            }
            cout<<str<<endl;
            count++;
        }
        else
        {
            cout<<"invalid input"<<endl;
        }
    }
};
int textprocessor::count=0;
int main()
{
    int n;
    cin>>n;
    cin.ignore();
    string str;
    for(int i=0;i<n;i++)
    {
        cin>>str;
        text::up(str)
    }
    return 0;
}