#include <iostream>
#include <fstream>
using namespace std;

ifstream fin("secv2.in");
ofstream fout("secv2.out");

int main()
{
    int n, k, x, S[50010]{0}, MAX=0, di, dj;
    fin >> n >> k;

    for(int i=1;i<=n;i++)
    {
        fin >> x;
        S[i]=S[i-1]+x;
    }

    for(int i=1;i<n;i++)
        for(int j=i+k-1;j<=n;j++)
            if(S[j]-S[i-1]>MAX)
                MAX=S[j]-S[i-1], di=i, dj=j;

    fout << di << " " << dj << " " << MAX;
    return 0;
}