(Program
{ (Binary
    (Identifier)
    (Other "&")
    (Identifier))
->(Binary
    (Identifier)
    (Other "|")
    (Identifier)) }
{ (Binary
    (Identifier)
    (Other "<<")
    (Identifier))
->(Binary
    (Identifier)
    (Other ">>")
    (Identifier)) }
{+(Binary
    (Identifier)
    (Other "^")
    (Identifier))+})