#include<iostream>
#include<fstream>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
int N;
int main(){
    int i, a;
    int start = 0, end = 0, sum = 0, best =-1<<31, mps = 1 << 30, mpsi = 1;
    f >> N;
    for (i = 1; i <= N; i++) {
        f >> a;
        sum += a;
        if (best < sum - mps) {
            best = sum - mps;
            start = mpsi + 1;
            end = i;
        }
        if (mps > sum) {
            mps = sum;
            mpsi = i;
        }
    }
    g << start-1 << ' ' << end-1 << ' ' << best;

    return 0;
}