#include <fstream>
#include <algorithm>
using namespace std;
ifstream cin("sdo.in");
ofstream cout("sdo.out");
int v[3000005],n,k;
int main()
{
    cin>>n>>k;
    for(int i=1;i<=n;i++)
        cin>>v[i];
    nth_element(v+1,v+k,v+n+1);
    cout<<v[k];
    return 0;
}