//#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;

int v[3000005],n,k,i;
int main()
{
    ifstream cin("sdo.in");
    ofstream cout("sdo.out");
    cin>>n>>k;
    for(i=1;i<=n;i++)
        cin>>v[i];
    nth_element(v+1, v+k, v+n+1);
    cout<<v[k]<<"\n";
}