#include <bits/stdc++.h>

using namespace std;

using i64 = long long;

void solve(){
    int n;
    cin >> n;
    vector<double>a(n);
    for (int i = 0;i < n;i ++ ){
        cin >> a[i];
    }
    i64 sum = accumulate(a.begin(), a.end(), 0LL);
    double w = 1.0 * sum / (n + 1);

    for (int i = 1;i <= n;i ++){
        if(i == 1){
            cout << fixed << setprecision(10) << w * 2 << " ";
        }else{
            cout << fixed << setprecision(10) << w  << " ";
        }
    }
}   

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);  

    int T = 1;
    // cin >> T;
    while (T --){
        solve();
    }
    return 0;
}