#include <fstream>
using namespace std;

ifstream is("secv2.in");
ofstream os("secv2.out");

const int INF = 0x3f3f3f3f;

int n, k;
int val;
int sum1, sum, smax = -INF, start, finish, l;

int main()
{
    is >> n >> k;
    for ( int i = 1; i <= n; ++i )
    {
        is >> val;
        if ( n == k )
            sum1 += val;
        else
        {
            sum += val;
            if ( l > k && sum > smax )
            {
                smax = sum;
                finish = i;
                start = i - l;
            }
            ++l;
            if ( sum < 0 )
            {
                l = 0;
                sum = 0;
            }
        }
    }
    if ( n == k )
        os << 1 << ' ' << n << ' ' << sum1;
    else
        os << start << ' ' << finish << ' ' << smax;

    is.close();
    os.close();
    return 0;
}