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
x = hex(int(input()))[2:].upper()
one = set(['A','D','0','4','6','9'])
two = set(['B', '8'])
count = 0
for i in x:
    if i in one:
        count += 1
    elif i in two:
        count += 2
print(count)