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 1285316221
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 1309028227
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 1795248373
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 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() {
  long long k, o = 0;
  int s[100000], c = 0;
  cin >> k;
  if (k == 0) {
    cout << 1;
    return 0;
  }
  while (k > 0) {
    s[o] = k % 16;
    o++;
    k /= 16;
  }
  for (int i = o - 1; i >= 0; i--) {
    if (s[i] == 0 || s[i] == 4 || s[i] == 6 || s[i] == 9 || s[i] == 10 ||
        s[i] == 13) {
      c++;
    }
    if (s[i] == 8 || s[i] == 11) {
      c += 2;
    }
  }
  cout << c;
  return 0;
}
