#include "bits/stdc++.h"
using namespace std;

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);

  int tt;
  cin >> tt;
  while(tt--) {
    int n, m;
    cin >> n >> m;
    vector<int64_t> a(n);
    for (auto& x : a) cin >> x;

    if (n == m) {
      cout << "Richman\n";
      continue;
    }
    
    int z = 0;
    vector<int> nz;
    for (int i =0; i < n;i++) {
      if (a[i]) {
        nz.push_back(a[i]);
      } else {
        z++;
      }
    }
    int64_t ans =0;
    if (z > m) {
      cout << "Impossible\n";
      continue;
    }
    m -= z;
    for (int i =0; i < m; i++) {
      ans += nz[i];
    }
    ans += *min_element(nz.begin() + m, nz.end()) - 1;
    cout << ans << '\n';
  }
}