#include <cstdio>
#include <algorithm>

const int maxn = 3000005;
using namespace std;

int A[maxn], n, k;
int main() {
	freopen("sdo.in", "r", stdin);
	freopen("sdo.out", "w", stdout);
	
	
	scanf("%d %d\n", &n, &k);
	
	for( int i = 1; i <= n; ++i)
		scanf("%d", &A[i]);
	random_shuffle(A + 1, A + n + 1);
	nth_element(A + 1, A + k, A + n + 1);
	printf("%d\n", A[k]);
	
	return 0;
}