#include <iostream>
#include <fstream>
#include <cmath>
using namespace std;
ifstream fin("ssm.in");
ofstream fout("ssm.out");
#define MAX 100
int c[MAX];
int main()
{
    int n,i;
    int a[MAX];
    for(i=1;i<=n;i++)
    {
        fin >> a[i];
    }

    c[0]=-1;
    for(i=1;i<=n;i++)
        c[i]= max(a[i],c[i-1]+a[i]);
    for(i=1;i<=n;i++)
        cout << c[i] << " ";

    return 0;
}