Program   ->CompoundStmt
                            CompoundStmt   ->{ Stmts }
         {
                                   Stmts   ->Stmt Stmts
                                    Stmt   ->IfStmt
                                  IfStmt   ->if ( BoolExpr ) then Stmt else Stmt
        if
         (
                                BoolExpr   ->ArithExpr BoolOp ArithExpr
                               ArithExpr   ->MulExpr ArithExprPrime
                                 MulExpr   ->SimpleExpr MulExprPrime
                              SimpleExpr   ->id
        id
  Unexpected token = was founded at line  0
 Unexpected token id was founded at line  0
                            MulExprPrime   ->ε
                                      ε
                          ArithExprPrime   ->ε
                                      ε
  Unexpected token ) was founded at line  0
  Unexpected token ; was founded at line  0
  Unexpected token } was founded at line  0
   Unknown missing token occured in line  0
   Unknown missing token occured in line  0
         Missing token ) occured in line  0
      Missing token then occured in line  0
   Unknown missing token occured in line  0
      Missing token else occured in line  0
   Unknown missing token occured in line  0
                                   Stmts   ->ε
                                      ε
         Missing token } occured in line  0
         $
                           Parsing ended