#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
int a[60000],b[60000],i,n,xstart,yend,best,ibegin=1,iend=1;

void Citire(int a[],int n)
{
    for(i=1;i<=n;i++)
        fin>>a[i];
}

void SSM(int a[], int n, int b[], int k)
{
    //int best;
    best=a[1];
    xstart=yend=1;
    for(i=2;i<=n;i++)
    {
        b[i]=a[i];
        if(b[i]<b[i-1]+a[i])
        {
             b[i]=b[i-1]+a[i];
             yend=i;
        }

            else
            {
                xstart=i;
                yend=i;
            }

        if(best<b[i])
        {
            //best=b[i];
           // yend=i;
            ibegin=xstart;
            iend=yend;
            if(iend-ibegin+1>=3)
                best=b[i];
        }

    }
    //return best;
}
int main()
{
    int k;
    fin>>n;
    fin>>k;
    Citire(a,n);
    SSM(a,n,b,k);
    fout<<ibegin<<" "<<iend<<" "<<best;
    return 0;
}