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

int main()
{
    int n,k,i,x,sc=-1,smax=-2000000,st,stmax=-2000000,drmax,nr=0;
    ifstream f("secv2.in");
    ofstream g("secv2.out");
    f>>n>>k;
    for(i=1; i<=n; i++)
    {
        f>>x;
        if(sc<0)
        {
            sc=0;
            st=i;
        }

        sc+=x;
        nr++;
        if(sc>smax and nr>=k)
        {
            smax=sc;
            stmax=st;
            drmax=i;
        }

    }

    g<<stmax<<" "<<drmax<<" "<<smax;
    return 0;
}