#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0; i < n; i++)
using ll = long long;
using graph = vector<vector<int>>;

const ll mod = 1000000007;
const int INF = 1001001001;

int main(){
    double a, b, c; cin >> a >> b >> c;
    if(b * b - 4 * a * c < 0){
        cout << "imaginary" << endl;
        return 0;
    }
    else if(b * b - 4 * a * c == 0){
        cout << fixed << setprecision(10) << -b / (2 * a) << endl;
    }
    else{
        cout << fixed << setprecision(10) << (sqrt(b * b - 4 * a * c) -b )/ (2 * a) << " " << (-sqrt(b * b - 4 * a * c) - b )/ (2 * a) << endl;
    }
}