#include <cstdio>
#include <istream>
#include <algorithm>
using namespace std;
#define NMAX 3000005
int N, K;
int V[NMAX];

void citire()
{
	scanf("%d%d",&N,&K);
	for(int i = 1 ; i <= N ; i++)
		scanf("%d",&V[i]);
}

int main()
{
	freopen("sdo.in","r",stdin);
	freopen("sdo.out","w",stdout);
	citire();
	sort(V + 1, V + N);
	printf("%d",V[K]);
	return 0;
}