#include <bits/stdc++.h>
using namespace std;
// https://space.bilibili.com/672346917

#ifndef LOCAL
#define LOG(...) 42
#endif

#define fi first
#define se second
#define pb push_back
#define endl '\n'
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()

typedef long long LL;
typedef pair <int, int> PII;

constexpr int inf = 0x3f3f3f3f;
constexpr double EPS = 1e-8;
const double PI = acos(-1);

int multi_cases = 1;

void A_SOUL_AvA () {
    string s;
    getline(cin, s);
    stringstream sin(s);
    string ans;
    string a;
    while (sin >> a) {
        ans += toupper(a[0]);
    }
    cout << ans << endl;
}

int main () {
    cin.tie(nullptr)->sync_with_stdio(false);
    cout << fixed << setprecision(12);

    int T = 1;
    cin >> T;
    cin.get();
    for ( ; T; T--) {
        A_SOUL_AvA ();
    }

    return 0;
}