#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;

int main()
{
    ll c = 1;
    while (true)
    {
        ll n;
        cin >> n;
        ll min = 1e9;
        ll max = -1e9;
        while (n-- > 0)
        {
            ll a;
            cin >> a;
            if (a > max)
            {
                max = a;
            }
            if (a < min)
            {
                min = a;
            }
        }
        cout << "Case " << c << ": " << min << " " << max << " " << max - min << endl;
        c++;
    }

    return 0;
}