#include <iostream>
#include <iomanip>
#include <vector>
#include <utility>
#include <map>
#include <algorithm>
#include <queue>
#include <cmath>
#include <numeric>
#include <set>

using namespace std;
struct aaa{aaa(){cin.tie(nullptr); ios::sync_with_stdio(false); cout<<fixed<<setprecision(20);};}aaa;
template <class T>ostream &operator<<(ostream &o,const vector<T>&v){o<<"{";for(int i=0;i<(int)v.size();i++)o<<(i>0?", ":"")<<v[i];o<<"}";return o;}
#define debug(v) {cerr<<"\033[1;36m[debug]\033[m "<<#v<<" : "<<v<<endl;}

using int64 = long long;

int main() {
    long double a,b,c;
    cin >> a >> b >> c;
    if (b*b < 4*a*c) {
        cout << "imaginary" << endl;
    } else {
        set<long double> s;
        s.insert((-b+sqrt(b*b-4*a*c))/2/a);
        s.insert((-b-sqrt(b*b-4*a*c))/2/a);

        for (auto ans : s) {
            cout << ans << " ";
        }
    }
}