# include <cstdio>
# include <algorithm>
using namespace std;
int s[50001];
int i,j,n,p,u,P,k,U,maxx,minn;
int main ()
{
    freopen ("secv2.in", "r", stdin);
    freopen ("secv2.out", "w", stdout);
    scanf ("%d%d", &n, &k);
    for (i=1; i<=n; ++i)
        {
            scanf ("%d", &s[i]);
            s[i]+=s[i-1];
        }
    minn=20000000;
    maxx=-20000000;
    for (i=k; i<=n; ++i)
    {
        if (s[i-k]<minn)
            {
                minn=s[i-k];
                p=i-k+1;
            }
        if (s[i]-minn>maxx) {
                                maxx=s[i]-minn;
                                U=i;
                                P=p;
                            }
    }
    printf ("%d %d %d\n", P, U, maxx);
    return 0;
}