#include <bits/stdc++.h>
using namespace std;
typedef signed long long ll;

#undef _P
#define _P(...) (void)printf(__VA_ARGS__)
#define FOR(x,to) for(x=0;x<(to);x++)
#define FORR(x,arr) for(auto& x:arr)
#define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++)
#define ALL(a) (a.begin()),(a.end())
#define ZERO(a) memset(a,0,sizeof(a))
#define MINUS(a) memset(a,0xff,sizeof(a))
//-------------------------------------------------------

ll A,B,C,D;
ll P,Q,R;

void solve() {
	int i,j,k,l,r,x,y; string s;
	
	cin>>A>>B>>C>>D;
	P=2;
	Q=A-C;
	R=B-D;
	
	ll DD=Q*Q-4*P*R;
	if(DD<0) {
		cout<<"No"<<endl;
	}
	else if(DD==0) {
		cout<<"Yes"<<endl;
	}
	else {
		double d=sqrt(DD);
		double ax=(-Q+d)/4;
		double bx=(-Q-d)/4;
		double ay=ax*ax+A*ax+B;
		double by=bx*bx+A*bx+B;
		
		double p=(by-ay)/(bx-ax);
		double q=ay-ax*p;
		_P("%.12lf %.12lf\n",p,q);
		
	}
	
}


int main(int argc,char** argv){
	string s;int i;
	if(argc==1) ios::sync_with_stdio(false), cin.tie(0);
	FOR(i,argc-1) s+=argv[i+1],s+='\n'; FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin);
	cout.tie(0); solve(); return 0;
}