#include <iostream>
#include <cmath>

using namespace std;

int main()
{
	double s, x, y, z, a, b, c, d;

	cout << "Enter X: " << endl;
	cin >> x;
	cout << "Enter Y: " << endl;
	cin >> y;
	cout << "Enter Z: " << endl;
	cin >> z;

	a = pow(y, pow(abs(x), 1./3.));
	b = pow(cos(y), 3);
	c = abs(x - y) * (1.0 + (pow(sin(z), 2)/pow((x+y), 1./2.)));
	d = exp(abs(x-y)) + x/2.;

	s = a + (b*(c/d));

	cout << s << endl;

	return 0;
}