#include <fstream>
#include <algorithm>
#define N 3000010

std::ifstream in ("sdo.in");
std::ofstream out ("sdo.out");
int a[N],n,k,i;

int main () {
	in>>n>>k; k--;
	for (i=0; i<n; i++) in>>a[i];
	std::nth_element (a,a+k,a+n);
	out<<a[k]<<"\n";
	return 0;
}