#include "pch.h"
#include <iostream>

using namespace std;

int main()
{
	setlocale(LC_ALL, "rus");
	float a, b, e,x,y,xp,yp;
	cout << "a=";
	cin >> a;
	cout << "b=";
	cin >> b;
	cout << "e=";
	cin >> e;
	xp = a; x = xp;
	yp = b; y = yp;
	while (fabs(x - y) < e)
	{

		cout <<"x="<< x<<endl;
		x = xp + yp;
		//cout << "xnew= " << x;
		y = sqrt(x*yp);
		//cout << " y=" << y<<endl;
		xp = x;
		yp = y;
	}
}