#include<fstream> 
#include<algorithm> 

using namespace std; 

ifstream in("sdo.in"); 
ofstream out("sdo.out"); 

unsigned int N, K, i, V[3000005];
int main() 
{
	in >> N >> K; 
	
	for(i = 1; i <= N; i++) 
		in >> V[i]; 
	
	sort(V + 1, V + N + 1); 
	
	out << V[K]; 
	
	return 0; 
}