#include <bits/stdc++.h>

using namespace std;
#define ll long long
#define pii pair<int, int>
#define ld long double
#define all(a) (a).begin(), (a).end()

#define int long long

void solve() {
    int n, m;
    cin >> n >> m;
    vector<int> a(n);
    for (int& i : a) cin >> i;

    if (n == m) {
        cout << "Richman\n";
        return;
    }

    int c0 = 0;
    for (int i : a) c0 += (i == 0);

    if (c0 > m) {
        cout << "Impossible\n";
        return;
    }

    if (m == 0) {
        int mn = 1e9;
        for (int i : a) mn = min(mn, i);
        cout << mn - 1 << '\n';
        return;
    }

    m -= c0;
    int res = 0;
    for (int i = 0; i < n && m >= 0; ++i) {
        if (a[i] == 0) continue;
        res += a[i];
        m--;
    }

    cout << res - 1 << '\n';

}

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int t;
    cin >> t;
    while (t--) solve();


    return 0;
}