#include <iostream>
#include <fstream>
#define LL long long int
using namespace std;

LL K,N,sum[50010];

int main(){
    ifstream fin("secv2.in");
    ofstream fout("secv2.out");
    fin >> N >> K;

    LL i,x,l,r,MAX=-(1LL<<60),mins=(1LL<<60),mind;
    for (i=1; i<=N; i++){
        fin >> x;
        sum[i]=sum[i-1]+x;
    }

    for (i=K; i<=N; i++){
        if (mins>sum[i-K]){
            mins=sum[i-K];
            mind=i-K;
        }

        if (sum[i]-mins>MAX){
            MAX=sum[i]-mins;
            l=mind+1;
            r=i;
        }
    }

    fout << l << " " << r << " " << MAX << "\n";
    return 0;
}