#include <bits/stdc++.h>
using namespace std;
deque<int>q;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
int a[500005],n,k,p=0,b[1006];
void Citire()
{
    int i;
    fin>>n>>k;
    for(i=1;i<=n;i++)
        fin>>a[i];
}
void Formare()
{
    int i;
    for(i=1;i<=n;i++)
        a[i]=a[i-1]+a[i];
}
int main()
{
    int i,inceput,sfarsit,x;
    long long summax=-1250000001;
    Citire();
    Formare();
    if(k==n)
    {
        fout<<"1"<<" "<<n<<" "<<a[n]<<"\n";
        return 0;
    }
    for(i=1;i<=n;i++)
    {
        x=a[i];
        while(!q.empty() and a[q.back()]>=x)
            q.pop_back();
        q.push_back(i);
        if(summax<=a[i]-a[q.front()] and i-q.front()>=k)
        {
            summax=a[i]-a[q.front()];
            inceput=q.front()+1;
            sfarsit=i;
        }
    }
    if(summax==-1250000001)
    {
        fout<<"1"<<" "<<k+1<<" "<<a[k+1]<<"\n";
        return 0;
    }
    else fout<<inceput<<" "<<sfarsit<<" "<<summax<<"\n";
    fin.close();
    fout.close();
}