#include <iostream>
#include <cmath>
#include <bits/stdc++.h>
using namespace std;

#define IOS                                                                                        \
	ios::sync_with_stdio(0);                                                                   \
	cin.tie(0);                                                                                \
	cout.tie(0);
#define int long long

int32_t main()
{
	IOS int T;
	cin >> T;
	for (int t = 0; t < T; t++) {
		int n, cnt = 0;
		cin >> n;

		int a[n];
		for (int i = 0; i < n; i++) {
			cin >> a[i];
		}

		//

		cout << "Case #" << t + 1 << ": " << cnt << endl;
	}

	return 0;
}