#include <fstream>
#include <algorithm>
using namespace std;

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

long long v[3000000];

int main(){
	
long long n,i,k;

in>>n;
in>>k;

for(i=1;i<=n;i++)
	in>>v[i];

nth_element(v+1, v+k, v+n+1);

out<<v[k];

return 0;
}