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#include <fstream>
#include <iostream>
#include <algorithm>
#include <vector>
#include <cstring>
using namespace std;
ifstream fin("sdo.in");
ofstream fout("sdo.out");
int v[3000001];
int main()
{
int n,k;
fin>>n>>k;
for(int i=1;i<=n;i++)
fin>>v[i];
for(int i=1;i<n;i++)
for(int j=i+1;j<=n;j++)
if(v[i]>v[j])
{
int aux=v[i];
v[i]=v[j];
v[j]=aux;
}
int fina;
for(int i=1;i<=k;i++)
fina=v[i];
fout<<fina;
return 0;
}