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