#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;

ifstream f("sdo.in");
ofstream g("sdo.out");
int  v[100030];
int main()
{
    int n,k,i;

    f>>n>>k;//>>q>>x>>y>>z;

    //v[1] = q;
    for(i = 1 ; i <= n ; i ++ )
    {
      //  v[i] = ( v[i-1] * x + y) % z + k ;
      f>>v[i];
    }

    nth_element(v+1,v+k,v+n+1);

/*s = 0;
    for( i =n-k+1; i <= n; i ++ )
    {
        s = s + v[i];
    }
    s = s - ((k-1)/2)*k;
    cout<<s<<endl;
    for(i=1;i<=n;i++)
        cout<<v[i]<<" ";*/
    g<<v[k];
    f.close();
    g.close();
}