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

int i, n, k, x;
vector <int> V;

int main () {

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