#include <fstream>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
int n,k,i,j,s,mx,c1,c2,v[50005];
int main()
{
    f >> n >> k;
    for(i = 1; i <= n; ++i)
        f >> v[i];
    mx = -99999999;
    while(k <= n)
    {
        s = 0;
        for(i = 1; i <= k; ++i)
            s += v[i];
        if(s > mx)
        {
            mx = s;
            c1 = i;
            c2 = i + k - 1;
        }
        for(i = 2; i <= n - k + 1; ++i)
        {
            s -= v[i-1];
            s += v[i + k - 1];
            if(s > mx)
            {
                mx = s;
                c1 = i;
                c2 = i + k - 1;
            }
        }
        ++k;
    }
    if(s > mx)
    {
        mx = s;
        c1 = i;
        c2 = i + k - 1;
    }
    g << c1 << " " << c2 << " " << mx << '\n';
    return 0;
}