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
val = [1, 0, 0, 0, 1, 0, 1, 0, 2, 1, 1, 2, 0, 1, 0, 0]
n = int(input())
x = hex(n)
x = x[2:]
ans = 0
for i in x:
    i = int(i, 16)
    ans = ans + val[i]
print(ans)
