#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef pair<ll, ll> P;
typedef vector<ll> VI;
typedef vector<VI> VVI;
const ll MOD = 1000000007;
const ll INF = 1e18;
#define REP(i, n) for(int i = 0; i < n; i++)
#define ALL(v) v.begin(), v.end()

int main(){
	int a, b, c; cin >> a >> b >> c;
	int rt=b*b-4*a*c;
	if(rt<0){
		cout << "imaginary" << endl;
	}
	else{
		if(rt==0){
			double ans=(double)(-b)/(2*a);
			printf("%.16lf\n",ans);
		}
		else{
			double ans1=((double)-b-sqrt(rt))/(2*a);
			double ans2=((double)-b+sqrt(rt))/(2*a);
			printf("%.16lf %.16lf\n",ans1,ans2);
		}
	}
	return 0;
}