#include <fstream>
#include <algorithm>
#define NMAX 4000004

using namespace std;

unsigned int v[NMAX];

ifstream cin("sdo.in");
ofstream cout("sdo.out");

int main()
{
    int n,k;
    cin>>n>>k;

    for(int i=1;i<=n;i++)
        cin>>v[i];

    sort(v+1,v+n+1);
    cout<<v[k];
    return 0;
}