#include <bits/stdc++.h>
#define rep(i,n) for(int i=(0);i<(n);i++)

using namespace std;

typedef long long ll;

template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; }

int main(){
	cin.tie(0);
	ios::sync_with_stdio(false);

	int a, b, c;
	cin >> a >> b >> c;

	int d = b * b - 4 * a * c;
	if(d < 0){
		cout << "imaginary" << endl;
	}else{
		double aa = (double) a;
		double bb = (double) b;
		double cc = (double) c;

		double x = (-bb - sqrt(bb * bb - 4 * aa * cc)) / (2 * aa);
		double y = (-bb + sqrt(bb * bb - 4 * aa * cc)) / (2 * aa);
		
		cout << fixed << setprecision(10);
		if(d == 0){
			cout << x << endl;
		}else{
			cout << x << " " << y << endl;
		}

	}
}