#include <cstdio>
#include <iostream>
#include <algorithm>
using namespace std;

int n,k,x,v[3000005];




int main()
{
	freopen("sdo.in","r", stdin);
	freopen("sdo.out","w", stdout);
	scanf("%d %d",&n,&k);
	//cout<<n<<" "<<k;
	
	for(int i=0;i<n;i++){
		scanf("%d ",&v[i]);
	}
	nth_element(v, v+k, v+n);
	//for(int i=1;i<=n;i++) cout<<v[i]<<endl;
	
	//for(int j=0;j<=v.size();j++) cout<<v[j]<<" ";
	
	printf("%d",v[k-1]);

	return 0;
}