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
a=str(hex(int(input())))
b=0
for i in range(2,len(a)):
    if a[i]=="0" or a[i]=="4" or a[i]=="6" or a[i]=="9" or a[i]=="a" or a[i]=="d":
        b+=1
    elif a[i]=="8" or a[i]=="b":
        b+=2
print(b)
