#include <fstream>
#include <algorithm>
#define DIM 3000011
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");
int n,p,k;
int v[DIM];

int poz(int st,int dr){
    int ii=0,jj=-1;
    while(st<dr){
        if(v[st]>v[dr]) swap(v[st],v[dr]),swap(ii,jj),ii*=-1,jj*=-1;
        st+=ii,dr+=jj;
    }
    return st;
}

int main(void){
    register int i,j;

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

   /* i=1,j=n;
    while(p!=k){
        p=poz(i,j);
        if(p>k) j=p-1;
        else i=p+1;
    }*/
    nth_element(v+1,v+k,v+n+1);
    g<<v[k];
    f.close();
    g.close();
    return 0;
}