/* Here is an (x,y) program.*/
#include <iostream>
#include <stdlib.h>

using namespace std;

int main(void)

{
	int y1 = 0;
	int x1 = 0;
	int result1 = 0;
	int y2 = 0;
	int x2 = 0;
	int result2 = 0;
	int result = 0;
	
	cout << "Please enter your Y-axis to your first point";
	cin >> y1;
	
	cout << "Please enter your X-axis to your first point";
	cin >> x1;
	
	cout << "Please enter you Y-axis to your second point";
	cin >> y2;
	
	cout << "Please enter your X-axis to your second point";
	cin >> x2;
	
	result1 = y1 - y2;
	
	result2 = x1 - x2;
	
	result = result1 / result2;
	
	cout << result <<endl;
	
	return 0;
	
}