#include <stdio.h>
#include <math.h>
#include <cstdlib>
#include <iostream>
using namespace std;
int main()
{
	float a = 1.5, d = 1.3, e = 03;
	float k, w, t;

	cout << "Введите значения k, w и t: ";
	cin >>k >> w >> t;

	float x;

	x = (a - sqrt(sin(w * t + e)) - pow(e, w * t)) / pow(log(2 * k + d) + pow(d, 3 * k), 1 / 3);

	cout << x;

	return 0;
}