#include <iostream>
#include <algorithm>
#include <fstream>

using namespace std;

ifstream fin("sdo.in");
ofstream fout("sdo.out");

long long n,k,v[3000001];

int main()
{
    fin>>n>>k;
    for(int i=1;i<=n;i++)
        fin>>v[i];
    nth_element(v+1,v+k,v+n+1);
    fout<<v[k];
    return 0;
}