#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>;

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);
long double e = (long double)(-b);
long double a_2 = 2 * a;
if(d < 0){
    cout << "imaginary" << endl;
}
else if(d == 0){
    cout << setprecision(10) << (e - ro) / a_2 << endl;
}else{
    cout << setprecision(10) << (e - ro) / a_2 << " " << (e + ro) / a_2 << endl;
}
}