#include <iostream>
using namespace std;

int main()
{
	double mult  = 1;
	for(double i = 1; i <= 5; i++)
	//	if(i != 2)
		mult *= (i + 3)/(i - 2);
	cout<<"P = "<<mult<<endl;
	//cout<<"element i == 2 : 2 + 3/(2 - 2) was skipped!"<<endl;
	return 0;
}

P = -inf