//horatiu11
# include <cstdio>
# include <algorithm>
# define nmax 3000001
using namespace std;
int a[nmax],n,k;
int main()
{
    int i;
    freopen("sdo.in","r",stdin);
    freopen("sdo.out","w",stdout);
    scanf("%d%d",&n,&k);
    for(i=1;i<=n;++i)
        scanf("%d",&a[i]);
    nth_element(a+1,a+k,a+n+1);
    printf("%d\n",a[k]);
    return 0;
}