#include using namespace std; int main(){ int a1,a2,a3; cin>>a1>>a2>>a3; int b1,b2,b3; cin>>b1>>b2>>b3; int c1=a2*b3-b2*a3; int c2=a3*b1-b3*a1; int c3=a1*b2-a2*b1; cout<