#include<cstdio>
#include<algorithm>

#define Nmax 3000000
using namespace std;

int N,K,v[Nmax];

int main(){
	
	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]);
	
	sort(v+1,v+N+1);
	
	printf("%d",v[K]);

return 0;	
}