#include <iostream>
#include<vector>
#include<algorithm>
#include<stdio.h>
using namespace std;
int x,n,k,i;
vector <int> v;
int main()
{
    FILE*f=fopen("sdo.in","r");fscanf(f,"%d%d",&n,&k);
    for( i=0;i<n;i++){fscanf(f,"%d",&x);v.push_back(x);}
    fclose(f);
    nth_element(v.begin(),v.begin()+k-1,v.end());
    FILE*g=fopen("sdo.out","w");
    fprintf(g,"%d",v[k-1]);fclose(g);
    return 0;
}