#include <cstdio>
#include <algorithm>
#define MAX_N 3000005
using namespace std;

int V[MAX_N],n,k;

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