#include <bits/stdc++.h>

using namespace std;

ifstream fin("secv2.in");
ofstream fout("secv2.out");


int main()
{
    int n,k,v[50005],s[50005],d[50005], ans=-200000000,l[50005],q,qq;
    s[0]=d[0]=0;
    fin>>n>>k;
    for(int i=1;i<=n;++i){
        fin>>v[i];
        s[i]=s[i-1]+v[i];
        if(v[i]+d[i-1]>v[i]){
            d[i]=v[i]+d[i-1];
            l[i]=l[i-1];
        }
        else{
            d[i]=v[i];
            l[i]=i;
        }
        if(i>k){
            s[i]-=v[i-k];
            if(s[i]+d[i-k]>ans){
                ans=s[i]+d[i-k];
                q=l[i-k];
                qq=i;
            }
        }
    }
    fout<<q<<" "<<qq<<" "<<ans<<"\n";
    return 0;
}