#include <bits/stdc++.h>
using namespace std;
ifstream fin("sdo.in");
ofstream fout("sdo.out");
int n,k,i,v[3000010];
int main()
{
    fin>>n>>k;
    for(i=1;i<=n;i++)
        fin>>v[i];
    sort(v+1,v+n+1);
    fout<<v[k];
    fin.close();
    fout.close();
    return 0;
}