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

#define Nmax 3000005

int i, n, k, x;
int V[Nmax];

int main () {

	FILE *f = fopen ("sdo.in", "r");
	FILE *g = fopen ("sdo.out", "w");
	
	fscanf (f, "%d %d", &n, &k);
	for (i = 0; i < n; i++)
		fscanf (f, "%d", &V[i]);
	
	nth_element (V, V + k - 1, V + n);
	fprintf (g, "%d", V[k-1]);
	
	fclose (f);
	fclose (g);
	
	return 0;
}