#include <fstream>
#define Inf 0x3f3f3f3f
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
long n,i,a[50001],sum[50001],best[50001],bestSum,min0,j,ii,ji,k;
int main()
{
    f>>n;
    f>>k;
    sum[0]=0;
    for(i=1;i<=n;i++)
    {
        f>>a[i];
        sum[i]=a[i]+sum[i-1];
    }
    min0=sum[0];
    bestSum=-Inf;
    for(i=1;i<=n;i++)
    {
        best[i]=sum[i]-min0;
        if(sum[i]<=min0) {min0=sum[i]; j=i+1;}
        if(bestSum<=best[i]&&(i-j>=k))
                {bestSum=best[i];
                    ii=i;
                    ji=j;}
    }
    g<<ji<<" "<<ii<<" "<<bestSum;
    return 0;
}