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#include <bits/stdc++.h>
#define DIM 500001
using namespace std;
ifstream fin("sdo.in");
ofstream fout("sdo.out");
long long v[DIM];
long long n, i, k;
int main(){
ios :: sync_with_stdio(false);
fin.tie(0);
fout.tie(0);
fin >> n >> k;
for(i=1;i<=n;i++)
fin >> v[i];
size_t sol = k;
nth_element(v + 1, v + sol, v + n + 1);
fout << v[sol];
fin.close();
fout.close();
return 0;
}