#include<cstdio>
#include<cstdlib>
#include<ctime>
#include<vector>
#include<algorithm>
using namespace std;
FILE*in=fopen("sdo.in","r");
FILE*out=fopen("sdo.out","w");
const int NMAX=3000007;
int n,k,i,a,v[NMAX];
int main()
{
    fscanf(in,"%d%d",&n,&k);
    for(i=0;i<n;i++)
    {
        fscanf(in,"%d",&v[i]);
    }
    k--;
    nth_element(v,v+k,v+n);
    fprintf(out,"%d",v[k]);
}