#include<fstream>
#include<algorithm>
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");
int n,i,k,a[3000001];
int main()
{f>>n>>k;
for(i=0;i<n;++i)
	f>>a[i];
sort(a,a+n);
g<<a[k-1]<<'\n';
f.close();
g.close();
return 0;
}