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

const int NMAX=3000005;
int v[NMAX];

int main(){
    ifstream fin("sdo.in");
    ofstream fout("sdo.out");
    int n,k;
    fin>>n>>k;
    for(int i=1;i<=n;i++)
        fin>>v[i];
    sort(v+1, v+n+1);
    fout<<v[k];
    return 0;
}