using namespace std;
#include <fstream>
#include<algorithm>
#define NMax 3000005
ifstream fin("sdo.in");
ofstream fout("sdo.out");
int N,K,X[NMax];
int main()
{
    fin>>N>>K;
    for(int i=1;i<=N;i++)
        {
        fin>>X[i];
        }

    nth_element(X+1,X+K,X+N+1);
    fout<<X[K];
    return 0;
}