#include <cstdio>
#include <vector>
#include <algorithm>

using namespace std;

vector <int> a;
int i,k,n,x;

int main()
{
    freopen("sdo.in","r",stdin);
    freopen("sdo.out","w",stdout);

    scanf("%d %d", &n, &k);
    for (i=1;i<=n;++i)
    {
        scanf("%d", &x);
        a.push_back(x);
    }

    nth_element(a.begin(),a.begin()+k-1,a.end());
    printf("%d\n", a[k-1]);


    return 0;
}