#include<fstream>
using namespace std;
int n,i,sc,st,smax,drmax,stmax;
int v[6000001];
int main()
{
	ifstream f("secv2.in");
	ofstream g("secv2.out");
	f>>n;
	for(i=1;i<=n;i++)
		f>>v[i];
	for(i=1;i<=n;i++)
	{
		if(sc<0)
		{
			st=i;
			sc=v[i];
		}
		else
			sc=sc+v[i];
		if(sc>smax)
		{
			smax=sc;
			stmax=st;
			drmax=i;
		}}
		g<<stmax<<" "<<drmax<<" "<<smax;
		return 0;
}