//#pragma GCC optimize ("O3")
//#pragma GCC target ("avx")
#include <stdio.h>
#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <queue>
#include <cstdio>
#include <ctime>
#include <assert.h>
#include <chrono>
#include <random>
#include <numeric>
#include <set>
#include <deque>
#include <stack>
#include <bitset>
using namespace std;
typedef long long int ll;
typedef unsigned long long ull;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll myRand(ll B) {
    return (ull)rng() % B;
}

constexpr ll mod=1e9+7;

int main(){
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	ll a,b,c; cin >> a >> b >> c;
	if(b*b-4*a*c<0){
		printf("imaginary\n");
	}
	else if(b*b-4*a*c==0){
		double res=-b/2.0/a;
		printf("%.9f\n",res);
	}
	else{
		double res=(-b-sqrt(b*b-4*a*c))/2.0/a;
		double res2=-2.0*c/(b+sqrt(b*b-4*a*c));
		if(res>res2)swap(res,res2);
		printf("%.9f %.9f\n",res,res2);
	}
}