#include<stdio.h>
#include<algorithm>
using namespace std;
long long int k,n,v[3000010],i;
int main()
{
	freopen("sdo.in", "r", stdin);
	freopen("sdo.out", "w", stdout);
	scanf("%lld %lld", &n,&k);
	for(i=1;i<=n;i++){
		scanf("%lld", &v[i]);
	}
	sort(v+0,v+n);
	printf("%d", v[k]);
	return 0;
}