#include <bits/stdc++.h>
#include <cstdlib>

using namespace std;


int main(int argc, char** argv) {
    ios::sync_with_stdio(false);
    int N; double speed; int p;
    cout << fixed << setprecision(32);
    while(cin >> N >> speed) {
        vector<int> naslednik(N, 0), predchudce(N, 0);
        vector<double> nextEvent(N), speeds(N);
        vector<bool> visited(N, false);
        set< pair<double, int> > pq;
        for(int i = 0; i < N; ++i) {
            cin >> p;
            pq.insert(pair<double, int>(p / speed, i));
            nextEvent[i] = p / speed;
            speeds[i] = speed;
            naslednik[i] = i+1;
            predchudce[i] = i-1;
        }
        naslednik[N-1] = N;
        predchudce[0] = -1;
        double ans2;
        double time = 0;
        while(!pq.empty()) {
            int u = pq.begin()->second; double v = pq.begin()->first;
            pq.erase(pq.begin());            
            if (visited[u]) continue;
            visited[u] = true;
            time = v;
            if (u == N-1) ans2 = time;
            else {
                if (predchudce[u] != -1) {
                    naslednik[predchudce[u]]=naslednik[u];            
                    predchudce[naslednik[u]]=predchudce[u];
                }
                if (naslednik[u] != N) {
                    double next = time + ((nextEvent[naslednik[u]] - time)*speeds[naslednik[u]]) / (speeds[u] + speeds[naslednik[u]]);
                    speeds[naslednik[u]] += speeds[u];
                    nextEvent[naslednik[u]] = next;
                    pq.insert(pair<double, int>(next, naslednik[u]));            
                }
            }
//            cout << "Jezero " << u << endl;
//                        cout << "Predchudce" << endl;
//            for(int i = 0; i < N; ++i) {
//                cout << predchudce[i] << " ";
//            } cout << endl;
//            cout << "Naslednik" << endl;
//            for(int i = 0; i < N; ++i) {
//                cout << naslednik[i] << " ";
//            } cout << endl;
        }
        cout << ans2 << " " << time << endl;
        
        
        
    }
    return 0;
}