public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int x = sc . nextInt ( ) ;
  int [ ] arr = new int [ x ] ;
  ArrayList < Integer > n = new ArrayList < > ( ) ;
  ArrayList < Integer > p = new ArrayList < > ( ) ;
  ArrayList < Integer > z = new ArrayList < > ( ) ;
  for ( int i = 0 ;
  i < x ;
  i ++ ) {
    arr [ i ] = sc . nextInt ( ) ;
    if ( arr [ i ] < 0 ) n . add ( arr [ i ] ) ;
    if ( arr [ i ] > 0 ) p . add ( arr [ i ] ) ;
    if ( arr [ i ] == 0 ) z . add ( arr [ i ] ) ;
  };
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int x = sc . nextInt ( ) ; int [ ] arr = new int [ x ] ; ArrayList < Integer > n = new ArrayList < > ( ) ; ArrayList < Integer > p = new ArrayList < > ( ) ; ArrayList < Integer > z = new ArrayList < > ( ) ; for ( int i = 0 ; i < x ; i ++ ) { arr [ i ] = sc . nextInt ( ) ; if ( arr [ i ] < 0 ) n . add ( arr [ i ] ) ; if ( arr [ i ] > 0 ) p . add ( arr [ i ] ) ; if ( arr [ i ] == 0 ) z . add ( arr [ i ] ) ; } ; }
(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: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (local_variable_declaration type: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments)) arguments: (argument_list)))) (local_variable_declaration type: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments)) arguments: (argument_list)))) (local_variable_declaration type: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments)) 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 (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal))) consequence: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal))) consequence: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal))) consequence: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier))))))))))