#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");
int a,b,i,j,k,m,n,an,bn,cn,w[103],l,sol,v[3000003],x;
int main()
{
    f>>a>>b;
    for (i=1;i<=a;i++)
    f>>v[i];
    nth_element(v+1,v+b,v+a+1);
    g<<v[b];
    g<<'\n';
    return 0;
}