# include <fstream.h>
  ifstream f("secventa.in");
  ofstream g("secventa.out");
		int k, n, i, front = 1, back, deque[500001], a[500001], baza = -30001, vi = -1, vf = -1;
		int main ()
		{ f >> n >> k; for (i = 1; i <= n; ++i) f >> a[i];
			for (i = 1; i <= n; ++i)
			{ while (front <= back && a[i] <= a [ deque [ back ]]) back --;
			  deque [ ++ back ] = i;
			  if (deque [ front ] == i - k) front ++;
				if (i >= k && a [ deque [ front ]] > baza) {baza = a [ deque [ front ]]; vi = (vf = i) - k + 1;}
			}
			g << vi << ' ' << vf << ' ' << baza << '\n'; return 0;
		}