#include<cstdio>
#include<algorithm>
using namespace std;
int n,i,k,a[3000001];
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",&a[i]);
    nth_element(a+1,a+k,a+n+1);printf("%d\n",a[k]);return 0;
}