public static void main ( String [ ] args ) {
  Scanner reader = new Scanner ( System . in ) ;
  Map < String , Integer [ ] > map = new HashMap < String , Integer [ ] > ( ) ;
  int N = reader . nextInt ( ) ;
  for ( int i = 0 ;
  i < N ;
  i ++ ) {
    String s = reader . next ( ) ;
    if ( map . containsKey ( s ) ) {
      map . get ( s ) [ 0 ] ++ ;
    }
    else {
      Integer [ ] arr = new Integer [ 2 ] ;
      arr [ 0 ] = 1 ;
      arr [ 1 ] = 0 ;
      map . put ( s , arr ) ;
    }
  }
  int M = reader . nextInt ( ) ;
  for ( int i = 0 ;
  i < M ;
  i ++ ) {
    String s = reader . next ( ) ;
    if ( map . containsKey ( s ) ) {
      map . get ( s ) [ 1 ] ++ ;
    }
    else {
      Integer [ ] arr = new Integer [ 2 ] ;
      arr [ 0 ] = 0 ;
      arr [ 1 ] = 1 ;
      map . put ( s , arr ) ;
    }
  }
  int ans = 0 ;
  for ( Entry < String , Integer [ ] > entry : map . entrySet ( ) ) {
    Integer [ ] arr = entry . getValue ( ) ;
    int gap = arr [ 0 ] - arr [ 1 ] ;
    ans = Math . max ( gap , ans ) ;
  }
  System . out . println ( ans ) ;
  reader . close ( ) ;
}

public static void main ( String [ ] args ) { Scanner reader = new Scanner ( System . in ) ; Map < String , Integer [ ] > map = new HashMap < String , Integer [ ] > ( ) ; int N = reader . nextInt ( ) ; for ( int i = 0 ; i < N ; i ++ ) { String s = reader . next ( ) ; if ( map . containsKey ( s ) ) { map . get ( s ) [ 0 ] ++ ; } else { Integer [ ] arr = new Integer [ 2 ] ; arr [ 0 ] = 1 ; arr [ 1 ] = 0 ; map . put ( s , arr ) ; } } int M = reader . nextInt ( ) ; for ( int i = 0 ; i < M ; i ++ ) { String s = reader . next ( ) ; if ( map . containsKey ( s ) ) { map . get ( s ) [ 1 ] ++ ; } else { Integer [ ] arr = new Integer [ 2 ] ; arr [ 0 ] = 0 ; arr [ 1 ] = 1 ; map . put ( s , arr ) ; } } int ans = 0 ; for ( Entry < String , Integer [ ] > entry : map . entrySet ( ) ) { Integer [ ] arr = entry . getValue ( ) ; int gap = arr [ 0 ] - arr [ 1 ] ; ans = Math . max ( gap , ans ) ; } System . out . println ( ans ) ; reader . close ( ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (generic_type (type_identifier) (type_arguments (type_identifier) (array_type element: (type_identifier) dimensions: (dimensions)))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments (type_identifier) (array_type element: (type_identifier) dimensions: (dimensions)))) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) consequence: (block (expression_statement (update_expression (array_access array: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) index: (decimal_integer_literal))))) alternative: (block (local_variable_declaration type: (array_type element: (type_identifier) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (type_identifier) dimensions: (dimensions_expr (decimal_integer_literal))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (decimal_integer_literal))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (decimal_integer_literal))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (identifier)))))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) consequence: (block (expression_statement (update_expression (array_access array: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) index: (decimal_integer_literal))))) alternative: (block (local_variable_declaration type: (array_type element: (type_identifier) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (type_identifier) dimensions: (dimensions_expr (decimal_integer_literal))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (decimal_integer_literal))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (decimal_integer_literal))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (identifier)))))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (enhanced_for_statement type: (generic_type (type_identifier) (type_arguments (type_identifier) (array_type element: (type_identifier) dimensions: (dimensions)))) name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) body: (block (local_variable_declaration type: (array_type element: (type_identifier) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (array_access array: (identifier) index: (decimal_integer_literal))))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (identifier))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))