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
cur = int(input())
hex = ""
shit = ['A', 'B', 'C', 'D', 'E', 'F']
if cur == 0:
    print(1)
    exit(0)
while cur != 0:
    temp = cur % 16
    cur = cur // 16
    if temp >= 10:
        hex += shit[temp - 10]
    else:
        hex += str(temp)
answ = 0
for a in hex:
    if a == 'A' or a == '6' or a == '0' or a == 'D' or a == '4' or a == '9':
        answ = answ + 1
    elif a == '8' or a == 'B':
        answ += 2
print(answ)