#include <bits/stdc++.h>
#define endl '\n'
#define ll long long
using namespace std;


void lok(){
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    double a,b,c,d;
    cin>>a>>b>>c>>d;
    double e=a-c;
    double f=b-d;
    double delt=e*e-8*f;
    if(delt<0){
    	cout<<"No"<<endl;
    }
    else if(delt==0){
    	cout<<"Yes"<<endl;
    }
    else{
    	double lop=sqrt(delt);
    	double awal=(-e-lop)/4;
    	double tani=(-e+lop)/4;
    	double igreg=awal*awal+a*awal+b;
    	double tabto=tani*tani+a*tani+b;
    	double moa=(tabto-igreg)/(tani-awal);
    	double bib=tabto-(tani*moa);

    	cout<<moa<<' '<<bib<<endl;
    }

	return 0;
}