#include <iostream>
#include <fstream>

using namespace std;

ifstream f("secv2.in");
ofstream g("secv2.out");

int n,k,i,j,v[50001],sum,bestSum,beg,idx,sf,r;
int main()
{
    f>>n>>k;
    for(i=1;i<=n;i++)
    {
        f>>v[i];
    }
    r=0;
    for(i=1;i<=n;++i)
    {
        if (sum<0)
        {

             sum = v[i];
             idx = i;
             r=1;
        }
        else
            {
                sum += v[i];
                r++;
            }
        if (r>=k and bestSum < sum)
        {
                bestSum = sum;
                 beg = idx;
                 sf = i;
        }


    }
    g<<beg<<" "<<sf<<" "<<bestSum;
    return 0;
}