//#include<cstdio>
#include<fstream>
#include<algorithm>
using namespace std;

/*const char in[]="sdo.in";
const char out[]="sdo.out";
*/

ifstream f("sdo.in");
ofstream g("sdo.out");

const int N = 3000005;

int k, n, v[N];

int main()
	{
		//freopen(in,"r",stdin);
		//freopen(out,"w",stdout);
		//scanf("%d %d", &n, &k);
			f>>n>>k;
		for(int i = 1 ; i <= n ; ++i)
			//scanf("%d", &v[i]);
			f>>v[i];
		nth_element(v + 1, v + k, v + 1 + n);
		
		//printf("%d", v[k]);
		g<<v[k];
		return 0;
}