#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
int main(){
double ax,bx,cx,dx;
cin>>ax>>bx>>cx>>dx;
int n=3;
double l=-100,r=100;
while(n--){
	while(r-l>1e-5){
		double mid=(l+r)/2;
		
		if((mid*mid*mid*ax+mid*mid*bx+mid*cx+dx<0))l=mid;
		else r=mid;
	}
	printf("%.2lf ",l);
	l=l+1;r=100;
}
return 0; 
}