public static void main ( String [ ] args ) {
  Scanner scanner = new Scanner ( System . in ) ;
  int n = scanner . nextInt ( ) ;
  int [ ] c1 = new int [ n ] ;
  int [ ] c2 = new int [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    c1 [ i ] = scanner . nextInt ( ) ;
    c2 [ i ] = scanner . nextInt ( ) ;
  }
  char [ ] f1 = new char [ n ] ;
  char [ ] f2 = new char [ n ] ;
  Arrays . fill ( f1 , '0' ) ;
  Arrays . fill ( f2 , '0' ) ;
  for ( int i = 0 ;
  i < n / 2 ;
  i ++ ) {
    f1 [ i ] = '1' ;
    f2 [ i ] = '1' ;
  }
  for ( int i = 0 , x = 0 , y = 0 ;
  i < n ;
  i ++ ) {
    if ( c1 [ x ] < c2 [ y ] ) {
      f1 [ x ] = '1' ;
      x ++ ;
    }
    else {
      f2 [ y ] = '1' ;
      y ++ ;
    }
  }
  System . out . println ( String . valueOf ( f1 ) ) ;
  System . out . println ( String . valueOf ( f2 ) ) ;
}

public static void main ( String [ ] args ) { Scanner scanner = new Scanner ( System . in ) ; int n = scanner . nextInt ( ) ; int [ ] c1 = new int [ n ] ; int [ ] c2 = new int [ n ] ; for ( int i = 0 ; i < n ; i ++ ) { c1 [ i ] = scanner . nextInt ( ) ; c2 [ i ] = scanner . nextInt ( ) ; } char [ ] f1 = new char [ n ] ; char [ ] f2 = new char [ n ] ; Arrays . fill ( f1 , '0' ) ; Arrays . fill ( f2 , '0' ) ; for ( int i = 0 ; i < n / 2 ; i ++ ) { f1 [ i ] = '1' ; f2 [ i ] = '1' ; } for ( int i = 0 , x = 0 , y = 0 ; i < n ; i ++ ) { if ( c1 [ x ] < c2 [ y ] ) { f1 [ x ] = '1' ; x ++ ; } else { f2 [ y ] = '1' ; y ++ ; } } System . out . println ( String . valueOf ( f1 ) ) ; System . out . println ( String . valueOf ( f2 ) ) ; }
(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: (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: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (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: (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: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (character_literal)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (character_literal)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) consequence: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal))) (expression_statement (update_expression (identifier)))) alternative: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal))) (expression_statement (update_expression (identifier))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))))