#include <iostream>
#include <cstdio>
#include <cmath>
#include <ctime>
#include <cstdlib>
#include <cassert>
#include <vector>
#include <list>
#include <stack>
#include <queue>
#include <deque>
#include <map>
#include <set>
#include <bitset>
#include <string>
#include <algorithm>
#include <utility>
#define llint long long
#define inf 1e18
#define rep(x, s, t) for(llint (x) = (s); (x) < (t); (x)++)
#define Rep(x, s, t) for(llint (x) = (s); (x) <= (t); (x)++)
#define chmin(x, y) (x) = min((x), (y))
#define chmax(x, y) (x) = max((x), (y))

using namespace std;
typedef pair<llint, llint> P;

llint a, b, c, d;

double calc(double x){
	return x*x+a*x+b;
}

int main(void)
{
	//ios::sync_with_stdio(0);
	//cin.tie(0);
	
	cin >> a >> b >> c >> d;
	
	llint D = (a-c)*(a-c)-8*(b-d);
	if(D == 0){
		cout << "Yes" << endl;
		return 0;
	}
	if(D < 0){
		cout << "No" << endl;
		return 0;
	}
	
	double A = 2, B = a-c, C = b-d;
	double s = (-B-sqrt(D)) / (2*A), t = (-B+sqrt(D)) / (2*A);
	
	double p = (calc(t)-calc(s))/(t-s);
	double q = -p*s+calc(s);
	
	printf("%.11f %.11f\n", p, q);
	
	return 0;
}