#include<iostream>
#include<fstream>
#include<vector>
#include<algorithm>
using namespace std;
//FILE* si=fopen("siruri2.in","r");
ifstream si("sdo.in");
ofstream so("sdo.out");
vector<int> v;
int main()
{
    int n,k;
    si>>n>>k;
    int i;
    v.resize(n);
    for(i=0;i<n;++i)
        si>>v[i];
    nth_element(v.begin(),v.begin()+(k-1),v.end());
    so<<v[k-1];
    so.close();
    return 0;
}