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
n = input()

ans = 0
if n == 0:
    ans = 1
while n > 0:
    x = n % 16
    n /= 16
    if x == 0 or x == 4 or x == 6 or x == 9 or x == 10 or x == 13:
        ans += 1
    else:
      if x == 8 or x == 11:
          ans += 2

print ans