#include<fstream>
#include<algorithm>
using namespace std;
int m,n,i,a[3000010];
void read(),solve();
ifstream c("sdo.in");
ofstream s("sdo.out");
int main()
{
	read();
	solve();
	return 0;
}
void read()
{
	c>>n>>m;
	for(i=1;i<=n;i++)c>>a[i];
}
void solve()
{
	partial_sort(a+1,a+m+1,a+n+1);
	s<<a[m]<<'\n';
	fclose(stdin);
	fclose(stdout);
}