#include<cstdio>
#include<algorithm>
using namespace std;
const int nmax = 3000005;
int n,k,a[nmax],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]);
    return 0;
}