#include <cstdio>
#include <algorithm>

using namespace std;

int sir[3000005];

int main()
{
	freopen("sdo.in", "r", stdin);
	freopen("sdo.out", "w", stdout);

	int n, m;

	scanf("%d %d", &n, &m);

	m--;
	
	for(int i = 0; i < n; i++)
	{
		scanf("%d", &sir[i]);
	}

	nth_element(sir, sir + m, sir + n);

	printf("%d", sir[m]);

	return 0;
}