143165576
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 210637432
 724264821
 1741
 619489590
 1199537418
 1075765759
 747976826
 638486017
 58438190
 1285316221
 186925426
 1180540990
 833393692
 1818960378
 2000000000
 0
 1309028227
 514714359
 624205168
 1795248373
 643201595
 1304312649

14 3 3 4 5 2 4 4 2 4 6 4 3 4 5 3 5 4 1 5 3 4 5 5 8
#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  stringstream stream;
  stream << hex << n;
  string result(stream.str());
  for (auto &x : result) x = toupper(x);
  map<char, int> mp;
  mp['0'] = 1;
  mp['4'] = 1;
  mp['6'] = 1;
  mp['8'] = 2;
  mp['9'] = 1;
  mp['A'] = 1;
  mp['B'] = 2;
  mp['D'] = 1;
  int ans = 0;
  for (auto x : result) ans += mp[x];
  cout << ans << "\n";
  return 0;
}
