#include <fstream>
#include <iostream>
using namespace std;
ifstream in("secv2.in");
ofstream out("secv2.out");
long long n,k,x[50100],M,st,dr,p,s,se;
int main() {
    in>>n>>k;
    for(int i=1;i<=k;i++)
    {
        in>>x[i];
        s+=x[i];
    }
    st=1;
    dr=k;
    M=s;
    p=1;
    for(int i=k+1;i<=n;i++)
    {
        in>>x[i];
        s+=x[i];
        se+=x[i-k];
        if(s-se>s)
        {
            s-=se;
            se=0;
            p=i-k+1;
        }
        if(s>M)
        {
            M=s;
            st=p;
            dr=i;
        }
    }
    out<<st<<' '<<dr<<' '<<M;
    return 0;
}