#include<cstdio>
#include<algorithm>
#define nmax 3000001
using namespace std;
int n,k,v[nmax];
int main()
{
	int i;
	freopen("sdo.in","r",stdin);
	freopen("sdo.out","w",stdout);
	scanf("%d%d", &n, &k);
	for(i=0;i<n;i++)scanf("%d", &v[i]);
	nth_element(v,v+k-1,v+n);
	printf("%d", v[k-1]);
	return 0;
}