#include <iostream>
#include<fstream>
#include<cstdlib>
#include<ctime>
#include<algorithm>
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");
long long v[3000005], x;
int n, k, p;



int main()
{
    f>>n>>k;
    for(int i=1; i<=n; ++i){
       f>>v[i];
    }
    nth_element(v, v+k, v+n);
    g<<v[k]<<'\n'; cout<<v[k];
    g.close();
    return 0;
}