#include <iostream>
#include <fstream>
#define NMAX 100001

using namespace std;

ifstream in("oo.in");
ofstream out("oo.out");

int n;
int p[NMAX],profit[NMAX+1];
int main()
{
    in>>n;
    for (int i=1;i<n;++i)
        in>>p[i];
    p[n+1]=p[1];
    p[n+2]=p[2];
    for (int i=2;i<=n;++i)
    {
        profit[i]=max(profit[i-1],p[i]+p[i-1]+profit[i-3]);
    }
    for (int i=1;i<=n;++i)
        cout<<profit[i]<<" ";
    out<<profit[n-1];
    return 0;
}