#include <bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<=b;++i)
#define per(i,a,b) for(int i=a;i>=b;--i)
#define forr(i,a) for(auto i:a)
#define rall(a) rbegin(a),rend(a)
#define all(a) begin(a),end(a)
#define pb emplace_back
using namespace std;
void solve()
{
    string s; getline(cin, s);
    stringstream in(s); 
    while (in >> s) cout << char(toupper(s.front()));
    cout << '\n';
}
signed main()
{
    cin.tie(0)->sync_with_stdio(0);
    int _;  for (cin >> _, cin.ignore(); _--; )  solve();
    return 0;
}