#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");
int v[3000001],n,k;

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