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#include <fstream>
#include <algorithm>
using namespace std ;
const int NMAX = 3000005 ;
const int INF = (1<<20) ;
ifstream fin("sdo.in") ;
ofstream fout("sdo.out") ;
int N, K, A[NMAX] ;
int main()
{
fin >> N >> K ;
for(int i = 1 ; i <= N ; ++ i)
fin >> A[i] ;
nth_element(A + 1, A + K, A + N + 1) ;
fout << A[K] << '\n' ;
fin.close() ;
fout.close() ;
return 0 ;
}