#include <bits/stdc++.h>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;
typedef unsigned long long ull;


int main(){
  ll a, b, c, d;
  cin >> a >> b >> c >> d;

  ll D = (a-c)*(a-c) - 8*(b-d);

  if(D < 0){
    cout << "No" << endl;
  }
  else if(D == 0){
    cout << "Yes" << endl;
  }
  else {
    double x1 = (-(a-c)+sqrt(D))/4.0;
    double x2 = (-(a-c)-sqrt(D))/4.0;
    double y1 = x1*x1+a*x1+b;
    double y2 = x2*x2+a*x2+b;

    double a = (y2-y1)/(x2-x1);
    double b = y1 - a*x1;

    //cout << x1 << " " << y1 << " " << x2 << " " << y2 << endl;
    printf("%.12lf %.12lf\n", a, b);
  }
  
  return 0;
}