#include <cstdio>
#define nmax 5000000
#define inf -100000

using namespace std;

FILE *fin=fopen("secventa.in", "r");
FILE *fout=fopen("secventa.out", "w");

int v[nmax], deque[nmax];
int front, back, n, k, maxim;

int main()
{
    int i;
    maxim = inf;
    fscanf(fin, "%d%d", &n, &k);
    for(i=1; i<=n; ++i)
        fscanf(fin, "%d", &v[i]);

    front = 1;
    for(i=1; i<=n; ++i)
    {
        while(front<=back && v[i]<=v[deque[back]]) --back;
        deque[++back] = i;

        if(deque[front] == i-k) ++front;
        if(i>=k)
            if(maxim<v[deque[front]])
                maxim=v[deque[front]];
    }

    fprintf(fout, "%d", maxim);
}