#include<cstdio>
#include<cstdlib>
#include<ctime>
#include<vector>
#include<algorithm>
using namespace std;
FILE*in=fopen("sdo.in","r");
FILE*out=fopen("sdo.out","w");
const int NMAX=3000007;
int n,k,i,a;
vector<int> v;
int main()
{
    fscanf(in,"%d%d",&n,&k);
    for(i=1;i<=n;i++)
    {
        fscanf(in,"%d",&a);
        v.push_back(a);
    }
    k--;
    nth_element(v.begin(),v.begin()+k,v.end());
    fprintf(out,"%d",v[k]);
}