#include <stdio.h>


int deque[500000];
int v[500000];
int main()
{
	freopen("secventa.in", "r", stdin);
	freopen("secventa.out", "w", stdout);

	int n, k;
	scanf("%d %d", &n, &k);

	scanf("%d", &v[0]);
	int l = 0;
	int r = 0;
	deque[l] = 0;
	int max = v[0];

	for (int i = 1; i < n; i++)
	{
		scanf("%d", &v[i]);
		while (r >= l && v[i] < v[deque[r]])
		{
			r--;
		}

		deque[++r] = i;

		if (v[deque[l]] > max)
		{
			max = v[deque[l]];
		}

		if (i - deque[l] == k - 1)
			l++;
	}

	printf("%d\n", max);

	return 0;
}