#include<bits/stdc++.h>

using namespace std;
#define int long long
#define double long double
const int N = 5e7 + 5;


int32_t main() {
    ios::sync_with_stdio(false), cin.tie(nullptr);
    int n;
    cin >> n;
    vector<double> ve(n);
    for (int i = 0; i < n; ++i)cin >> ve[i];
    double all = accumulate(ve.begin(), ve.end(), 0.0);
    all /= (n + 1) * 1.0;
    cout << fixed << setprecision(7) << all * 2.0 << ' ';
    for (int i = 1; i < n; ++i) {
        cout << fixed << setprecision(7) << all << ' ';
    }
    return 0;
}