#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define repr(i,n) for(int i = (int)(n); i >= 0; i--)
#define all(v) v.begin(),v.end()
typedef long long ll;

int main(){
    double a,b,c;
    cin >> a >> b >> c;
    int A;
    int B;
    int C;
    if (a + 0.3 < 0.4 && a + 0.3 > 0.2){
        A = 0;
    }
    else if (a + 0.3 > 0) A = int(a + 0.3);
    else A = int(a - 0.3);
    if (b + 0.3 < 0.4 && b + 0.3 > 0.2){
        B = 0;
    }
    else if (b + 0.3 > 0) B = int(b + 0.3);
    else B = int(b - 0.3);
    if (c + 0.3 < 0.4 && c + 0.3 > 0.2){
        C = 0;
    }
    else if (c + 0.3 > 0) C = int(c + 0.3);
    else C = int(c - 0.3);
    if (B * B - 4 * A * C < 0){
        cout << "imaginary" << endl;
    }
    else if (B * B - 4 * A * C == 0){
        cout << setprecision(10) << ((-1 * b) / (2 * a)) << endl;
    }
    else{
        double X = sqrt(b * b - 4 * a * c);
        if (A > 0) cout << setprecision(10) << ((-1 * b - X) / (2 * a)) << " " << ((-1 * b + X) / (2 * a)) << endl;
        else cout << setprecision(10) << ((-1 * b + X) / (2 * a)) << " " << ((-1 * b - X) / (2 * a)) << endl;
    }
}