#include <bits/stdc++.h>
using namespace std;
ifstream fin("sdo.in");
ofstream fout("sdo.out");
int n,k,a[3000001];
int main()
{
    int i;
    fin>>n>>k;
    for (i=1;i<=n;i++)
        fin>>a[i];
    nth_element(a+1,a+k,a+n+1);
    fout<<a[k]<<"\n";
    fin.close();
    fout.close();
    return 0;
}