#include #include using namespace std; using namespace atcoder; #define all(v) v.begin(),v.end() using ll = long long; using ull = unsigned long long; using lll = __int128; using vll=vector; using vvll = vector>; using P = pair; using vp=vector>; //using mint=modint1000000007; //using mint=modint998244353; const ll INF=1ll<<60; ll mod10=1e9+7; ll mod99=998244353; const double PI = acos(-1); #define rep(i,n) for (ll i=0;i=0;--i) #define rep2(i,a,n) for (ll i=a;i=n;--i) templatebool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b>ax>>ay>>bx>>by>>cx>>cy; cout<<(cx*(ax*by+ay*bx)==cy*(ax*bx-ay*by)?"Yes":"No")<>T; rep(i,T) solve(); }