//Solution By SlavicG
#include "bits/stdc++.h"
using namespace std;

#define ll                          long long

#define forn(i,n)                   for(int i=0;i<n;i++)
#define all(v)                      v.begin(), v.end()
#define rall(v)                     v.rbegin(),v.rend()
	
#define pb                          push_back
#define sz(a)                       (int)a.size()
 
#define   endl                       "\n"
#define fastio                      ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);

int main()
{
	int n;
	cin >> n;
	int a[n];
	for(int i = 0;i < n;i++)
	{
		cin >> a[i];
	}
	long long sum = 0;
	long long Max = 0;
	int DayIndex = -1;
	for(int i = 0;i<n;i++)
	{
		sum += a[i];
		if(Max < sum)
		{
			DayIndex = i;
			Max = sum;
		}
	}
	cout << DayIndex+1 <<"\n";
}