#include <fstream>
#include <climits>
using namespace std;
ifstream cin ("secv2.in");
ofstream cout ("secv2.out");
long long n,k,i,a,s[50002];
long long r,p1,p2,p,sum;

struct
{
    long long d,p;
} d[50002];

int main()
{
    cin>>n>>k;
    for(i=1; i<=n; i++)
    {
        cin>>a;
        s[i]=s[i-1]+a;
        if(sum<1)
        {
            sum=0;
            p=i;
        }
        sum+=a;
        d[i]={sum,p};
    }

    r=INT_MIN;

    for(i=k; i<=n; i++)
    {
        sum=s[i]-s[i-k+1]+d[i-k+1].d;
        if(r<sum)
        {
            r=sum;
            p1=d[i-k+1].p;
            p2=i;
        }
    }

    cout<<p1<< ' ' <<p2<< ' ' <<r;

    return 0;
}