#include <iostream>
#include <cmath>
using namespace std;

int main()
{
	//step 0:  We'll probably
	//need some variables
	//type double is used to store decimal point numbers.
	double x1; //the first point.
	double y1;
	double x2;
	double y2;
	double distance;

	//step 1: Ask user for the first
	//set of coordiantes, store that point
	//in some variables.
	cout << "Please enter a first coordiante point (2 numbers): " << endl;
	cin >> x1;
	cin >> y1;

	//step 2: Ask user for the 2nd
	//set of points
	cout << "Please enter a second coordiante point (2 numbers): " << endl;
	cin >> x2;
	cin >> y2;

	//step 2.1:  Tell user what point they enter
	cout << "Ok, your first point is: (" << x1 << ", " << y1 << ")" << endl;
	cout << "And your second point is: (" << x2 << ", " << y2 << ")" << endl;

	//step 3: Compute distance between
	//given 2 points.
	// pow(2,4) -> 16
	distance = sqrt(  pow((x2-x1),2) + pow((y2-y1),2)    );

	//step 4: Tell user the distance
	cout << "the distance is: " << distance << endl;

	//step 5: If distance is really far (more than 50),
	//comment that it's really far
	if (distance > 50)
	{
		cout << "Wow, that's really far!!!" << endl;
	}
	else
	{
		cout << "eh, that's not too bad of a drive, like just to Harlingen" << endl;
	}


	//dumb return thing, just put it in, don't worry why for now
	return 0;
}