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 1741
 619489590
 1199537418
 1075765759
 747976826
 638486017
 58438190
 1285316221
 186925426
 1180540990
 833393692
 1818960378
 2000000000
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 1309028227
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 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
#include<bits/stdc++.h>
using namespace std;

int main(){
        int n,count=0;
        cin>>n;
        char buffer[33];
        itoa(n,buffer,16);
        int i=0;
        while(buffer[i]!='\0'){
                if(buffer[i]=='0')
                        count++;
                else if(buffer[i]=='4')
                        count++;
                else if(buffer[i]=='6')
                        count++;
                else if(buffer[i]=='8')
                        count+=2;
                else if(buffer[i]=='9')
                        count++;
                else if(buffer[i]=='A')
                        count++;
                else if(buffer[i]=='B')
                        count+=2;
        
                else if(buffer[i]=='D')
                        count++;
        
                i++;
        }
        cout<<count;
        return 0;
}