// editor1
#include <iostream>
#include <string>
#include <vector>
using namespace std;


bool check(string s)
{
    for(char i:s)
    {
        if(!(isalpha(i)))
        return false;
    }
    return true;
}

int main()
{
    int n;
    cin >> n;
    if(n<=0)
    return 0;
    
    vector <string> v;
    string s;
    
    for(int i=0;i<n;i++)
    {
        cin >> s;
        if(!(check(s) || !(s.size()>=1 && s.size<=1000)))
        {
            cout << "Inalid input";
            return 0;
        }
        else
        v.push_back(s);
    }
    
    vector <string> v1;
    
    for(string i:v)
    {
        string s1="";
        for(char j:i)
        {
            s1 += toupper(j);
        }
        
        v1.push_back(s1);
    }
    
    for(string i:v1)
    {
        cout << i << endl;
    }
    
    return 0;
}