#include <iostream>
#include <cmath>
using namespace std;
int main()
{
	float b;
	int n;cout<<"n=";cin>>n;
	for (int i=1;i<=n;i++)
	{if (2*n%2==0)
	b=3;
	else if (2*n+1/2==1)
		b=2*b;
	cout<<"b"<<n<<"="<<b<<endl;
	}
	system ("pause");
	return 0;
}