#include<stdio.h>
#include<algorithm>
#define MAXN 3000001
using namespace std;

int v[MAXN];
int main(){
  FILE*fin=fopen("sdo.in", "r");
  FILE*fout=fopen("sdo.out", "w");
  int n, i, k;
  fscanf(fin, "%d%d", &n, &k);
  for(i=1; i<=n; i++)
    fscanf(fin, "%d", &v[i]);

  nth_element(v+1, v+k, v+n+1);
  fprintf(fout, "%d", v[k]);
  return 0;
}