#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
ifstream cin("sdo.in");
ofstream cout("sdo.out");
int n,k;
int a[3000000];
int main()
{
    cin>>n>>k;
    for(int i=0;i<n;i++)
       cin>>a[i];
    nth_element(a,a+k,a+n);
    cout<<a[k-1];
    return 0;
}