#include<stdlib.h>
#include<stdio.h>
using namespace std;
int n,k,i,stats[3000001];
int crescator(const void *a, const void *b)
{
	return(*(int*)a - *(int*)b);
}
int main()
{
	freopen("sdo.in","r",stdin);
	freopen("sdo.out","w",stdout);
	
	scanf("%d%d\n",&n,&k);
	for(i=1;i<=n;i++)
	{
		scanf("%d",&stats[i]);
	}
	qsort(stats,n+1,sizeof(int),crescator);
	printf("%d",stats[k]);
	fclose(stdin);
	fclose(stdout);
	return 0;
}