#include<fstream>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
long long s[50005], maxim, minim;
int st, dr, poz, n, k, x;
int main(){
    fin >> n >> k;
    for( int i = 1; i <= n; i++ ){
        fin >> x;
        s[i] = s[i - 1] + x;
    }
    minim = 20000000000000000LL;
    maxim = 0;
    for( int i = k; i <= n; i++ ){
        if( minim > s[i - k] ){
            minim = s[i - k];
            poz = i - k + 1;
        }
        if( s[i] - minim > maxim ){
            maxim = s[i] - minim;
            st = poz;
            dr = i;
        }
    }
    fout << st << " " << dr << " " << maxim;
    return 0;
}