#include <iostream>
#include <fstream>
#include <algorithm>

#define nmax 3000001

using namespace std;

int n, k;
int v[nmax];

int main()
{
    
    ifstream fi("sdo.in");
    ofstream fo("sdo.out");
    
    fi >> n >> k;
    
    for (int i = 0; i < n; i++)
        fi >> v[i];
    
    nth_element(v, v+k-1, v+n);
    
    fo << v[k-1] << "\n";
    
    fi.close();
    fo.close();
    
    return 0;
}