#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,k;
	cin>>n>>k;
	long long bulb[n+1];
     long long mn[n+1];
	for(int i=1;i<=n;i++){
	cin>>bulb[i];
   if(i==1)
    mn[i]=bulb[i];
    else
    {
    	if(mn[i-1]<bulb[i])
    	 mn[i]=bulb[i];
    	 else
    	 mn[i]=mn[i-1];
	}

}	
	long long dp[n+1];
	for(int i=1;i<=n;i++){
		if(i<=k)
			dp[i]=mn[i];
	}
	cout<<mn[n];
}