text: #include <iostream>
  
  using namespace std;
  
  int main()
  {
  	float x, k=0, p=1;
  	scanf("%f", &x);
  	while(k*k*k != x && p>=0.000001)
  	{
  		if(k*k*k > x)
  		{
  			k=k-p;
  			p = p/10.0;
  			k=k+p;
  		}
  		else
  		k=k+p;
  	}
  	printf("Cube root of %f is %f\n", x, k);
  	return 0;
  }
  