(GFG)Bit Difference.cpp

#include <iostream>
using namespace std;

int countSetBits(int n)
{
	int count = 0;
	while (n > 0)
	{
		count++;
		n &= (n-1);
	}
	return count;
}


int FlippedCount(int a, int b)
{
	return countSetBits(a^b);
}

int main()
{
	int a,b;
  cin>>a>>b;
	cout << FlippedCount(a, b)<<endl;
	return 0;
}