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#include <iostream>
#include <fstream>
using namespace std;
unsigned long a[3000005];
ifstream f("sdo.in");
ofstream g("sdo.out");
void statord(long ls, long ld, long k, long &poz)
{
if(ls==ld)
g<<a[ls];
else{
int i=ls, j=ld,pivot=a[(ls+ld)/2];
poz=(ls+ld)/2;
while(i<=j)
{
while(a[i]<pivot)
i++;
while(a[j]>pivot)
j--;
if(i<=j)
{
swap(a[i],a[j]);
i++;
j--;
}
}
if(k<=j)
statord(ls,j,k,poz);
else statord(i,ld,k,poz);}
}
int main()
{
long n,poz=0,k;
f>>n>>k;
for(long i=1;i<=n;i++)
f>>a[i];
statord(1,n,k,poz);
return 0;
}