Run id: 156523

Main.cc: In function 'int main()':
Main.cc:4:8: error: expected unqualified-id before ';' token
  int a,;
        ^
Main.cc:8:14: error: the value of 'a' is not usable in a constant expression
      case a>=90:cout<<'A';break;
              ^
Main.cc:4:6: note: 'int a' is not const
  int a,;
      ^
Main.cc:8:14: error: the value of 'a' is not usable in a constant expression
      case a>=90:cout<<'A';break;
              ^
Main.cc:4:6: note: 'int a' is not const
  int a,;
      ^
Main.cc:9:14: error: the value of 'a' is not usable in a constant expression
      case a>=70:cout<<'B';break;
              ^
Main.cc:4:6: note: 'int a' is not const
  int a,;
      ^
Main.cc:9:14: error: the value of 'a' is not usable in a constant expression
      case a>=70:cout<<'B';break;
              ^
Main.cc:4:6: note: 'int a' is not const
  int a,;
      ^
Main.cc:10:14: error: the value of 'a' is not usable in a constant expression
      case a>=60:cout<<'C';break;
              ^
Main.cc:4:6: note: 'int a' is not const
  int a,;
      ^
Main.cc:10:14: error: the value of 'a' is not usable in a constant expression
      case a>=60:cout<<'C';break;
              ^
Main.cc:4:6: note: 'int a' is not const
  int a,;
      ^
Main.cc:11:15: error: the value of 'a' is not usable in a constant expression
      case 60>=a:cout<<'D';break;
               ^
Main.cc:4:6: note: 'int a' is not const
  int a,;
      ^
Main.cc:11:15: error: the value of 'a' is not usable in a constant expression
      case 60>=a:cout<<'D';break;
               ^
Main.cc:4:6: note: 'int a' is not const
  int a,;
      ^