#include using namespace std; typedef signed long long ll; #undef _P #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) //------------------------------------------------------- ll P,Q,R; ll A,B,C; void solve() { int i,j,k,l,r,x,y; string s; cin>>P>>Q>>R; cin>>A>>B>>C; C+=A+B; B+=A; ll mi=max({(A-1)*P+1,(B-1)*Q+1,(C-1)*R+1,0LL}); ll ma=min({A*P,B*Q,C*R}); if(mi>ma) return _P("-1\n"); if((mi+P-1)/P!=A) return _P("-1\n"); if((ma+P-1)/P!=A) return _P("-1\n"); if((mi+Q-1)/Q!=B) return _P("-1\n"); if((ma+Q-1)/Q!=B) return _P("-1\n"); if((mi+R-1)/R!=C) return _P("-1\n"); if((ma+R-1)/R!=C) return _P("-1\n"); cout<