#include<fstream>
#include<algorithm>
#include<stdlib.h>
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");
int n,k,a[3000000];
int compare(const void* a,const void* b)
{
    return(*(int*)a-*(int*)b);
}
void read()
{
    int i;
    f>>n;
    f>>k;
    for(i=1;i<=n;i++)
        f>>a[i];
}
int main()
{
    read();
    nth_element(a+1, a+k, a+n+1);
	g<< a[k] << "\n";
}