#include <bits/stdc++.h>
#define int long long
#define x first
#define y second
#define pb push_back
void debug() {std::cerr << "\n";}
template<class T, class... OtherArgs>
void debug(T &&var, OtherArgs &&... args) {
    std::cerr << std::forward<T>(var) << " ";
    debug(std::forward<OtherArgs>(args)...);
}
#define SZ(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
using i64 = long long;
using u64 = unsigned long long;
using LD = long double;
using PII = pair<int, int>;
constexpr int N = 1000010;
constexpr int P = 998244353;

void solve() {
    int n;
    cin >> n;
    vector<int> a(n);
    LD s = 0;
    for (int i = 0; i < n; i++) {
        cin >> a[i];
        s += a[i];
    }
    s /= n + 1;
    for (int i = 0; i < n; i++) {
        cout << (i ? 1 : 2) * s << " \n"[i == n - 1];
    }
}

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(20);
    int _ = 1;
    // cin >> _;
    while (_--) {
        solve();
    }
}