#include<bits/stdc++.h>
#define fast() ios::sync_with_stdio(false); cin.tie(nullptr),cout.tie(nullptr);
#define int long long

using namespace std;

const int N = 1e5 + 7;
int a[N];
int n,m;

void solve(){
	cin >> n >> m;
	int zero = 0;
	for(int i = 0;i < n;i ++){
		cin >> a[i];
		if(a[i] == 0) zero ++;
	}
	if(m == n){
		cout << "Richman" << endl;
		return;
	}	
	if(zero <= m){
		int sum = 0;
		int cnt = 0;
		for(int i = 0;i < n && cnt < m - zero;i ++){
			if(!a[i]) continue;
			else{
				sum += a[i];
				cnt ++;
			}
		} int mn = 1e9;
		for(int i = cnt;i < n;i ++){
			if(a[i]) mn = min(a[i],mn);
		} sum += mn - 1;
		cout << sum << endl;
	} else{
		cout << "Impossible" << endl;
	}
}

signed main(){
	fast();
	int _t; cin >> _t;
	while(_t --){
		solve();
	} return 0;
}