#include <iostream>
#include <cstdio>
#include <algorithm>
using namespace std;
#define MA 3000050
#define red(x) scanf("%d",&x);
int v[MA];
int main()
{ int n,k,i;
   freopen ("sdo.in","r",stdin);
freopen("sdo.out","w",stdout);
red(n);
red(k);
for(i=1;i<=n;i++)
    red(v[i]);
    nth_element(v+1,v+k+1,v+n+1);
printf("%d", v[k]);
    return 0;
}