#include <fstream>

using namespace std;
ifstream in ("secv2.in");
ofstream out ("secv2.out");
int sum[50001];
int main()
{
    int n,k,i,x,a=1,b,pc=1;
    int maxs=-99999999,sc=-1;
    in>>n>>k;
    for(i=1;i<=k;i++)
    {
        in>>x;
        sum[i]=sum[i-1]+x;
    }
    sc = maxs = sum[k];
    pc = a = 1;
    b = k;
    for (i = k + 1; i <= n; i++)
    {
        in>>x;
        sum[i]=sum[i-1]+x;
        if(sum[i]-sum[i-k]>sc+x)
        {
            pc=i-k+1;
            sc=sum[i]-sum[i-k];
        }
        else
            sc+=x;
        if(sc>maxs)
        {
            maxs=sc;
            b=i;
            a=pc;
        }

    }
    out<<a<<" "<<b<<" "<<maxs;
    return 0;
}