document.write('
Data hosted with ♥ by Pastebin.com - Download Raw - See Original
  1. #include<iostream>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6. int v,t;
  7. while(cin>>v>>t){
  8. cout<< v*2*t<<endl;
  9. }
  10. return 0;
  11. }
');