#include<stdio.h>
#include<algorithm>
#include<vector>

long a[3000001],i,n,k;

int main(){
	freopen("sdo.in","r",stdin);
	freopen("sdo.out","w",stdout);
	scanf("%ld %ld",&n,&k);

	for (i=0; i<n; ++i){
		scanf("%d",&a[i]);
	}

	std::vector<long> myv(a,a+n);
	std::vector<long>::iterator it;

	sort(myv.begin(),myv.end());

	printf("%d",myv[k-1]);

	return 0;
}