//#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <functional>
using namespace std;
vector<long long> v;
int main()
{
    ifstream cin("sdo.in");
    ofstream cout("sdo.out");
    long long n,k,a;
    cin>>n>>k;
    for(long long i=0;i<n;i++){
        cin>>a;
        v.push_back(a);
    }
    nth_element(v.begin(), v.begin() +k, v.end());
    cout<<v[k-1];
}