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
import sys
# 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F
x = [0, 4, 6, 8, 8, 9, 10, 11, 11, 13]

n = int(input())
ret = 1 if n == 0 else 0
while n:
    ret += x.count(n % 16)
    n = n / 16
print(ret)
