Run id: 153090

Main.cc: In function 'int main()':
Main.cc:5:10: error: 'a' was not declared in this scope
     cin>>a=123>>b=456;;
          ^
Main.cc:5:17: error: 'b' was not declared in this scope
     cin>>a=123>>b=456;;
                 ^
Main.cc:6:11: error: 'sum' was not declared in this scope
     cout<