#include <iostream>

using namespace std;

int a[200000];

int main()
{
    int n;
    int s = 0;
    int mx = -20000;
    int mi = -20000;
    cin >> n;
    for (int i = 0; i < n; i++) {
        int x;
        cin >> x;
        s += x;
        a[i] = s;
    }
    for (int i = 0; i < n - 1; i++) {
        if (a[i] * (a[n - 1] - a[i]) > mx) {
            mx = a[i] * (a[n - 1] - a[i]);
            mi = i;
        }
    }
    cout << mi + 1;
return 0;
}