#include <bits/stdc++.h>

#define debug(...) 42;
#ifdef LOCAL
#include "debug.h"
#endif

using namespace std;
#define fi first
#define se second
#define pb push_back
#define ll long long
#define pii pair<int, ll>
#define all(a) a.begin(), a.end()
#define rep(i, a, b) for(int i = a; i < b; ++i)
#define per(i, a, b) for(int i = a - 1; i >= b; --i)
template<typename T> bool setmin(T &a, T b) { return (a > b ? a = b, 1 : 0); }
template<typename T> bool setmax(T &a, T b) { return (a < b ? a = b, 1 : 0); }

#define vi vector<int>
#define vl vector<ll>
#define trav(it, a) for(auto& it: a)

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);

    cout << fixed << setprecision(10);
    int n; cin >> n;
    vector<double> a(n); rep(i,0,n) cin >> a[i];
    double sum = accumulate(all(a), 0.0);
    cout << sum/(n+1)*2 << ' ';
    rep(i,1,n) cout << sum/(n+1) << ' ';
    cout << '\n';

    return 0;
}