#include <stdio.h>
#include <algorithm>
FILE *f=fopen("sdo.in","r");
FILE *g=fopen("sdo.out","w");
int a[3000001];
int part(int l, int r, int k){
 int i=l;
 int j=r;
 int x=a[(l+r)/2];
  while(i<j){
    while (a[i]<x)i++;
    while (a[j]>x)j--;
    if(i<=j){
        std::swap(a[i],a[j]);
        i++; j--;
    }
  }
 if(j>=l&&j<k)return part(j+1,r,k);
 if(j<=r&&j>k)return part(l,j,k);
 return a[k];
}
int main(){
 int n, k;
 fscanf(f,"%d%d",&n,&k);
 for(int i=1;i<=n;i++){
    fscanf(f,"%d",&a[i]);
 }
fprintf(g,"%d",part(1,n,k));
    return 0;
}