#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
int main(){
    int a,b,c;cin>>a>>b>>c;
    if(b*b-(4*a*c) < 0){
        cout << "imaginary" << endl;
    }else if(b*b-(4*a*c) == 0){
        cout << fixed << setprecision(10) << -(double)b/(2*(double)a) << endl;
    }else{
        double x = b*b-(4*a*c);
        if(a < 0)a *= -1;
        cout << fixed << setprecision(10) << (-(double)b-sqrt(x))/(2*(double)a) << " " << (-(double)b+sqrt(x))/(2*(double)a) << endl;
    }
}