#include <bits/stdc++.h>
using namespace std;

#define ios ios::sync_with_stdio,cin.tie(0),cout.tie(0)
#define int long long
#define pb push_back
#define ff first
#define ss second
typedef long long ll;
typedef pair<int, int> PII;
const int N = 200007;
const int inf = 1e18;
const int mod = 1e9 + 7;
mt19937_64 rng(time(0));

int a[N];
void solve() {
	int n;
	cin>>n;
	int sum=0;
	for(int i=1;i<=n;i++){
		cin>>a[i];
		sum+=a[i];
	}
	double x=sum*1.0/(n+1);
	for(int i=1;i<=n;i++){
		if(i==1){
			printf("%.8lf ",2*x);
		}
		else{
			printf("%.8lf ",x);
		}
	}
}
signed main() {
    ios;
    int _ = 1;
  //  cin >> _;
    while (_--) {
        solve();
    }
    return 0;
}