#include <bits/stdc++.h>
#define Nmax 50001
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
int v[Nmax];
int main()
{
    int n,k,i;
    f>>n>>k;
    for(i=1;i<=n;i++)
       {
        f>>v[i];
        v[i]+=v[i-1];
       }
    int minn=0,maxx=0,pmax=0,pmin=0;
    for(i = 1; i <= n - k; i++)
    {
        if(maxx<v[i+k]-minn)
        {
            maxx=v[i+k]-minn;
            pmax=i+k;
        }
        if(minn>v[i])
        {
            minn=v[i];
            pmin=i;
        }
    }
    g<<pmin+1<<' '<<pmax<<' '<<maxx;

    return 0;
}