#pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC push_options #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx") #include #include #include using namespace::std; __attribute__((constructor))void init(){cin.tie(0);ios::sync_with_stdio(false);cout< #include #include #include #include #include namespace mp = boost::multiprecision; typedef mp::number> cdouble; typedef mp::cpp_int cint; templateusing pbds=__gnu_pbds::tree,__gnu_pbds::rb_tree_tag,__gnu_pbds::tree_order_statistics_node_update>; templateusing pbds_map=__gnu_pbds::tree,__gnu_pbds::rb_tree_tag,__gnu_pbds::tree_order_statistics_node_update>; templateusing hash_map=__gnu_pbds::gp_hash_table; templateusing pqueue =__gnu_pbds::priority_queue,__gnu_pbds::rc_binomial_heap_tag>; typedef long long lint; #define INF (1LL<<60) #define IINF (1<<30) #define LINF (9223372036854775807LL) #define EPS (1e-10) #define endl ('\n') #define MOD 1000000007LL //#define MOD 998244353LL //#define MOD 18446744069414584321ULL typedef vector vec; typedef vector> mat; typedef vector>> mat3; typedef vector svec; typedef vector> smat; templateinline void numout(T t){bool f=0;for(auto i:t){cout<<(f?" ":"")<inline void numout2(T t){for(auto i:t)numout(i);} templateinline void output(T t){bool f=0;for(auto i:t){cout<<(f?" ":"")<inline void output2(T t){for(auto i:t)output(i);} templateinline void _output(T t){bool f=0;for(lint i=0;iinline void _output2(T t){for(lint i=0;i=lint(a);--i) #define irep(i) for(lint i=0;;++i) inline vector range(int64_t n){vectorv(n);iota(v.begin(),v.end(),0LL);return v;} inline vector range(int64_t a,int64_t b){vectorv(b-a);iota(v.begin(),v.end(),a);return v;} inline vector range(int64_t a,int64_t b,int64_t c){vectorv((b-a+c-1)/c);for(int i=0;i<(int)v.size();++i)v[i]=i?v[i-1]+c:a;return v;} inline auto reversed(auto v){reverse(v.begin(),v.end());return v;} #define all(n) begin(n),end(n) #define dist(a,b,c,d) sqrt(pow(a-c,2)+pow(b-d,2)) //inline lint gcd(lint A,lint B){return B?gcd(B,A%B):A;} //inline lint lcm(lint A,lint B){return A/gcd(A,B)*B;} // inline cint cgcd(cint A,cint B){return B?cgcd(B,A%B):A;} // inline cint clcm(cint A,cint B){return A/cgcd(A,B)*B;} bool chmin(auto& s,const auto& t){bool res=s>t;s=min(s,t);return res;} bool chmax(auto& s,const auto& t){bool res=s dx={1,0,-1,0,1,1,-1,-1}; const vector dy={0,1,0,-1,1,-1,1,-1}; #define SUM(v) accumulate(all(v),0LL) auto call=[](auto f,auto... args){return f(f,args...);}; templateauto make_vector(T x,int arg,Args ...args){if constexpr(sizeof...(args)==0)return vector(arg,x);else return vector(arg,make_vector(x,args...));} int main(){ lint a,b,c; cin>>a>>b>>c; double s,t; if(b*b<4*a*c){ cout<<"imaginary"<t)swap(s,t); cout<