#include <bits/stdc++.h>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
int x,i,n,k,pi,pf,p;
long long sp[50001],s,smax;
int main()
{
    fin>>n>>k;
    for(i=1;i<=n;++i)
    {
        fin>>x;
        sp[i]=sp[i-1]+x;
    }
    for(i=k;i<=n;++i)
    {
        if(sp[i-k]<s) s=sp[i-k], p=i-k+1;
        if(sp[i]-s>smax)
        {
            smax=sp[i]-s;
            pi=p;
            pf=i;
        }
    }
    fout<<pi<<" "<<pf<<" "<<smax;
    return 0;
}