#include <fstream>
#include <algorithm>
#define nmax 3000003
using namespace std;
ifstream fin("sdo.in");
ofstream fout("sdo.out");

int v[nmax];

int main()
{
    int n,k;
    char c;
    fin>>n>>k;
    c=fin.get();
    for(int i=1;i<=n;i++)
    {
        int nr=0;
        c=fin.get();
        while(c>='0'&&c<='9')
        {
            nr=nr*10+c-'0';
            c=fin.get();
        }
        v[i]=nr;
    }
    nth_element(v+1,v+k,v+n+1);
    fout<<v[k];
    return 0;
}