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579A.cpp
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//🎃🎃🎃😎😎😁🤓☣☣☣☣☣dark_coder☣☣☣☣☣🤓😁😎😎🎃🎃🎃
#include <bits/stdc++.h>
using namespace std;
#define IOS \
ios::sync_with_stdio(0); \
cin.tie(0); \
cout.tie(0);
#define all(x) (x).begin(), (x).end()
#define li long long int
#define pi pair<int, int>
bool is_pow(li n)
{
for (li i = 1;; i *= 2)
{
if (n < i)
return 0;
else if (n == i)
return 1;
}
}
li nrstpow(li n)
{
for (li i = 1;; i *= 2)
{
if (n < i)
return i / 2;
}
}
li solve(li n)
{
if (is_pow(n))
return 1;
else
{
return 1 + solve(n - nrstpow(n));
}
}
int main()
{
IOS
li temp;
cin >> temp;
cout << solve(temp) << endl;
return 0;
}