#include <iostream>
#include <fstream>

using namespace std;
int x[3000001],n,k;
ifstream f("sdo.in");
ofstream g("sdo.out");
void citire()
{
    f>>n>>k;
    for(int i=1;i<=n;i++)
    f>>x[i];
}
void sortare()
{
    int aux=0,i;
    int t=0;
    while(t==0)
    {
        t=1;
        for(i=1;i<n;i++)
        if(x[i]>x[i+1])
        {
            aux=x[i];
            x[i]=x[i+1];
            x[i+1]=aux;
        }
    }

}
int main()
{
    citire();
    sortare;
    g<<x[k];
    return 0;
}