#include<bits/stdc++.h>
#define REP(i,n) for(int i=0,i##_len=int(n);i<i##_len;++i)
#define rep(i,a,b) for(int i=int(a);i<int(b);++i)
#define All(x) (x).begin(),(x).end()
#define rAll(x) (x).rbegin(),(x).rend()
using namespace std;
using ll = long long;

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 = (c-a-sqrt(D))/4.0, x2 = (c-a+sqrt(D))/4.0;
        double y1 = x1*x1 + a*x1 + b;
        double y2 = x2*x2 + a*x2 + b;
        double p =(y2-y1)/(x2-x1);
        double q = y1 - p*x1;
        printf("%.16f %.16f",p, q);
    }
}