#include <fstream.h>
#define nmax 50001

int a[nmax], sum[nmax], n, k, sm, Max=-2000000000l, min, pi, pf;


int main(){
    ifstream f("secv2.in");
    ofstream g("secv2.out");
    f>>n>>k;
    int i;
    for(i=1; i<=n; i++){
       f>>a[i];
       sum[i] = sum[i-1] + a[i];
    }
    for(i=k; i<=n; i++){
       sm = sum[i] - min;
       if(sm > Max) Max = sm, pf=i;
       if(sum[i-k] < min) min = sum[i-k], pi=i-k+1;
    }
    g<<pi<<" "<<pf<<" "<<Max<<"\n";
    f.close();
    g.close();
    return 0;
}