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

int main(){
    int a, b, c;
    cin >> a >> b >> c;

    int D = b*b - 4*a*c;
    if(D < 0){
        cout << "imaginary" << endl;
    }else if(D == 0){
        double ans = -(double)b/(double)(2.0*a);
        printf("%.15f\n", ans);
    }else{
        double d = sqrt((double)D);
        double ans1 = (-(double)b - d)/(double)(2.0*a),
               ans2 = (-(double)b + d)/(double)(2.0*a);
        printf("%.15f %.15f\n", ans1, ans2);
    }
    return 0;
}