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 = int(input())
b = str(hex(a))
l = list(b)
count = -1
for i in l:
    if(i == '0' or i == 'a' or i == 'o'):
        count += 1
    if(i == 'b' or i == '8'):
        count += 2
if(count < 0):
    count = 0
print(count)
	 		 	  		   	 			 	 	 	   			