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#include <iostream>
#include <ctime>
#include <cstdlib>
#include <fstream>
using namespace std;
const int N=3000000;
int v[N], st=1, dr,k;
ifstream in("sdo.in");
ofstream out("sdo.out");
void partitie3(int st, int dr, int &p, int &u)
{
int pivot = v[dr], i=st;
p=st;
u=dr;
while(i<=u)
{
if(v[i]<pivot)
swap(v[i++], v[p++]);
else if(v[i]>pivot)
swap(v[i],v[u--]);
else i++;
}
p--;u++;
}
void qs(int st, int dr)
{
if(st>=dr) return;
int p,u;
partitie3(st,dr,p,u);
if(k<p) qs(st,p);
else if(k>u) qs(u,dr);
else return;
}
int main()
{
int n;
in>>n>>k;
for(int i=1;i<=n; ++i) in>>v[i];
srand(time(0));
for(int i=n; i>=1; --i)
{
int j=rand()%i+1;
swap (v[i],v[j]);
}
qs(1,n);
out<<v[k];
return 0;
}