1 global int assignment to global variable: undefined
   2 undefined assignment to global int: int
   3 global int assignment to undefined: undefined
   4 undefined addition assignment to global int: double
   5 global int addition global int: int
   6 global int addition assignment undefined: double
   7 local int addition assignment local undefined: double
   8 local int assignment to undefined: undefined
   9 local undefined addition assignment local undefined: double
  10 local int substraction assignment local int: int
  11 local int multiplication assignment local int: int
  12 local int division assignment local int: int
  13 local undefined assignment to local int: int
  14 local boolean assignment to local int: int