143165576
 1919020031
 1204252996
 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 x, a[1000], len = 0, ans = 0;
void work() {
  while (x != 0) {
    len++;
    a[len] = x % 16;
    x /= 16;
  }
}
int main() {
  cin >> x;
  work();
  for (int i = 1; i <= len; i++) {
    if (a[i] == 0 || a[i] == 4 || a[i] == 6 || a[i] == 9 || a[i] == 10 ||
        a[i] == 13)
      ans++;
    if (a[i] == 8 || a[i] == 11)
      ;
    ans += 2;
  }
  cout << ans << endl;
  return 0;
}
