#include<stdio.h>
#include<algorithm>
using namespace std;
int a[3000005],n,k,i;
int main()
{
freopen("sdo.in","r",stdin);
freopen("sdo.out","w",stdout);
scanf("%d %d",&n,&k);
for(i=1;i<=n;++i)
	scanf("%d",&a[i]);
nth_element(a+1, a+k, a+n+1);
printf("%d\n",a[k]);
}