#include <iostream>
#include <fstream>
#include <algorithm>
#define MAXN 3000001
#define INFILE "sdo.in"
#define OUTFILE "sdo.out"
using namespace std;
ifstream f(INFILE);
ofstream g(OUTFILE);
int n,k,a[MAXN];
int main()
{
    f>>n>>k;
    for(int i=1;i<=n;i++)
        f>>a[i];
    nth_element(a+1,a+k+1,a+n+1);
    g<<a[k];
    f.close();
    g.close();
    return 0;
}