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#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
long n,k,i,a[3000000];
int main()
{
ifstream f("sdo.in");
ofstream g("sdo.out");
f>>n>>k;
for(i=0;i<n;i++)
f>>a[i];
nth_element(a+0,a+k-1,a+n);
g<<a[k-1];
return 0;
}
/*
--80 puncte cu sort--
#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
long n,k,i,a[3000000];
int main()
{
ifstream f("sdo.in");
ofstream g("sdo.out");
f>>n>>k;
for(i=0;i<n;i++)
f>>a[i];
sort(a+0,a+n);
g<<a[k-1];
return 0;
}
*/