public static void main ( String [ ] args ) throws IOException {
  FastReader in = new FastReader ( System . in ) ;
  PrintWriter pw = new PrintWriter ( System . out ) ;
  int n = in . nextInt ( ) ;
  long [ ] arr = new long [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) arr [ i ] = in . nextLong ( ) ;
  ArrayList < ArrayList < Long >> ans = solve ( arr , n ) ;
  for ( int i = 0 ;
  i < ans . size ( ) ;
  i ++ ) {
    for ( Long val : ans . get ( i ) ) pw . print ( val + " " ) ;
    pw . println ( ) ;
  }
  pw . close ( ) ;
}

public static void main ( String [ ] args ) throws IOException { FastReader in = new FastReader ( System . in ) ; PrintWriter pw = new PrintWriter ( System . out ) ; int n = in . nextInt ( ) ; long [ ] arr = new long [ n ] ; for ( int i = 0 ; i < n ; i ++ ) arr [ i ] = in . nextLong ( ) ; ArrayList < ArrayList < Long > > ans = solve ( arr , n ) ; for ( int i = 0 ; i < ans . size ( ) ; i ++ ) { for ( Long val : ans . get ( i ) ) pw . print ( val + " ▁ " ) ; pw . println ( ) ; } pw . close ( ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) (throws (type_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: (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))))) (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: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))))) (local_variable_declaration type: (generic_type (type_identifier) (type_arguments (generic_type (type_identifier) (type_arguments (type_identifier))))) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) update: (update_expression (identifier)) body: (block (enhanced_for_statement type: (type_identifier) name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) body: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (string_literal)))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))