#include <bits/stdc++.h>
using namespace std;
#define int long long
typedef pair<int,int> P;
int INF = 1e16+7;
int mod = 1e9+7;
int dx[4] = {1, 0, -1, 0};
int dy[4] = {0, 1, 0, -1};
signed main() {
    long double a,b,c;
    cin >> a >> b >> c;
    cout << fixed << setprecision(20);
    if(b*b-4*a*c < 0) {
        cout << "imaginary" << endl;
        return 0;
    }
    if((-b-sqrt(b*b-4*a*c))/2*a == (-b+sqrt(b*b-4*a*c))/2*a) {
        cout << (-b+sqrt(b*b-4*a*c))/2*a << endl;
        return 0;
    }
    cout << min((-b-sqrt(b*b-4*a*c))/2*a,(-b+sqrt(b*b-4*a*c))/2*a) << " " << max((-b-sqrt(b*b-4*a*c))/2*a,(-b+sqrt(b*b-4*a*c))/2*a) << endl;
}