#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f ("sdo.in");
ofstream g ("sdo.out");
int v[3000005],n,k,i;
int main(){
    f>>n>>k;
    for (i=1;i<=n;i++) f>>v[i];
    nth_element(v+1,v+k,v+n+1);
    g<<v[k];
    return 0;
}