#include <iostream>
#include <fstream>
using namespace std;

int a[6000001];
int main()
{
    ifstream in("secv2.in");
    ofstream out("secv2.out");
    int i,sc,smax,x,y,n,xc,lung=0,k;
    in>>n>>k;
    for(i=1; i<=n; i++)
        in>>a[i];
    sc = smax = a[1];
    for (i=2; i<=n; i++)
    {
        if (sc < 0)
        {
            sc = 0;
            xc=i;
            lung=0;
        }
        sc += a[i];
        lung++;
        if (sc > smax && lung>=3)
        {
            smax = sc;
            x = xc;
            y=i;
        }
    }
    out<<x<<" "<<y<<" "<<smax;
    return 0;
}