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
a = int(raw_input())
res = 0
if a == 0:
    print 1
    exit()
while a > 0:
    part = a % 16
    a /= 16
    if part == 0 or part == 4 or part == 6 or part == 9 or part == 10 or part == 13:
        res += 1
    if part == 8 or part == 11:
        res += 2
print res