#pragma GCC target("avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")

#include<iostream>
#include<iomanip>
#include<cmath>

using namespace std;
using i32 = int_fast32_t;
using i64 = int_fast64_t;
#define rep(i, n) for (i32 i = 0; i < (i32)(n); i++)
#define all(a) (a).begin(),(a).end()
#define rall(a) (a).rbegin(),(a).rend()
using P = pair<i64, i64>;
constexpr long double EPS = 1e-14;

int main() {
    ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    i64 a, b, c;
    cin >> a >> b >> c;
    i64 d = b * b - 4 * a * c;
    long double ro = sqrtl(d);
    i64 a_2 = 2 * a;
    if (d < 0) {
        cout << "imaginary" << endl;
    } else if (d == 0) {
        cout << setprecision(10) << (long double) (-b / (2 * a)) << endl;
    } else {
        cout << setprecision(10) << (long double) ((-b - ro) / a_2) << " " << (long double) ((-b + ro) / a_2) << endl;
    }
}