#include <bits/stdc++.h>
#define int long long 
#define double long double
using namespace std;
using Graph = vector<vector<int>>;


signed main(){
  cout << fixed << setprecision(15);
  double a, b, c, d;
  cin >> a >> b >> c >> d;
  
  double k = sqrt((a-c)*(a-c)-8*(b-d));
  double ans1 = (c-a+k)/4.000000; //xの値
  double ans2 = (c-a-k)/4.000000;
  if( ans1 == ans2 ){
    if(abs(ans1*ans1+a*ans1+b - (-1*ans1*ans1 + c*ans1 + d)) < 0.0000001 ){
      cout << "Yes" << endl;
    }else cout << "No" << endl;
  }else{
    if( abs(ans1*ans1+a*ans1+b - (-1*ans1*ans1+c*ans1+d)) < 0.0000001 && abs(ans2*ans2+a*ans2+b - (-1*ans2*ans2+c*ans2+d)) < 0.0000001 ){
      double y1 = ans1*ans1+a*ans1+b;
      double y2 = ans2*ans2+a*ans2+b;
      double P = (y2-y1)/(ans2-ans1);
      double Q = -1*ans1*(y2-y1)/(ans2-ans1)+y1;
      cout << P << " " << Q << endl;
    }else{
      cout << "No" << endl;
    }
  }
}