#include <cstdio>
#include <algorithm>
using namespace std;int v[3000005];int main(){freopen("sdo.in","r",stdin);freopen("sdo.out","w",stdout);int n,k;scanf("%d%d",&n,&k);for(int i=0;i<n;++i)scanf("%d",&v[i]);sort(v,+v+n);printf("%d",v[k-1]);return 0;}