e)	void figure(int, int &);
int main()
{

	int first = 1;
	int last = 25;
	
	cout<<"first is: "<<first<<endl
		<<"last is: "<<last<<endl;

	figure(first,last);

	cout<<"first is: "<<first<<endl
		<<"last is: "<<last<<endl;
}
void figure(int a, int & b)
{
	cout<<"IN FUNCTION: "<<a<<' '<<b<<endl;
	a++;
	b = a + b;
	cout<<"IN FUNCTION: "<<a<<' '<<b<<endl;
}