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
#      0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F
cnt = [1, 0, 0, 0, 1, 0, 1, 0, 2, 1, 1, 2, 0, 1, 0, 0]

val = int(input())

li = []
def foo(num):
    if num < 16:
        li.append(num)
        return
    foo(num//16)
    li.append(num%16)

ans = 0
foo(val)
for d in li:
    ans += cnt[d]

print(ans)
    
