#include <iostream>
#include <math.h>
using namespace std;
int main ()
{
	double a, b, x, y, Max;
	cout << "Input start point = ";
	cin >> a;
	cout << "Input finish point = ";
	cin >> b;

	Max = a*sin(a);

	for (x = a; x <= b; x += 0.001)
	{
		y = x *sin(x);
		if (y > Max)
		{
        Max = y;
        }
	}
		cout << "Max result: " << Max << endl;
		system ("pause");
		return 0;
}