#include<fstream>
#include<algorithm>
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");

int a[3000001],n,k;

int main(){
    f>>n>>k;
    for(int i=1;i<=n;i++) f>>a[i];
    nth_element(a+1,a+k+1,a+n+1);
    g<<a[k];
 return 0;
}