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#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin("sdo.in");
ofstream fout("sdo.out");
long long int v[3000005];
int k, n;
int comp(const void * a, const void * b);
int main()
{
int i;
fin >> n >> k;
for (i = 1; i <= n; i++)
fin >> v[i];
qsort(v + 1, n, 8, comp);
fout << v[k] << '\n';
return 0;
}
int comp(const void * a, const void * b)
{
return (*(int*)a - *(int*)b);
}