#include <bits/stdc++.h>
using namespace std;
#define modulo 1000000007
#define mod(mod_x) ((((long long)mod_x+modulo))%modulo)
#define Inf 2000000005


int main(){
	
	int a,b,c;
	cin>>a>>b>>c;
	int D = b*b-4*a*c;
	if(D<0){
		cout<<"imaginary"<<endl;
		return 0;
	}
	
	double ans0 = ((double)-b+sqrt(D))/((double)2.0*a);
	double ans1 = ans0 - 2.0 * sqrt(D)/((double)2.0*a);
	if(ans0>ans1)swap(ans0,ans1);
	if(D==0)cout<<fixed<<setprecision(10)<<ans0<<endl;
	else cout<<fixed<<setprecision(10)<<ans0<<' '<<ans1<<endl;
	
	return 0;
}