#include <iostream>
#include <fstream>
using namespace std;
int a[50005],s[50005],i,mx,q,n,k,start,stop,x,j;
ifstream in("secv2.in");
ofstream out("secv2.out");
int main()
{
    in>>n>>k;
    for (i=1;i<=n;i++)
    {
        in>>a[i];s[i]=s[i-1]+a[i];
    }
    q=s[k];mx=s[k];start=1;stop=x;
    for (i=k+1;i<=n;i++)
    {
        for (j=i-k;j>0;j--)
        {q=s[i]-s[j];
        if (q>mx)
        {
            mx=q;
            stop=i;
            start=j+1;
        }}
    }
    out<<start<<" "<<stop<<" "<<mx;
}