public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) ;
  float avg = 0 ;
  ArrayList < Integer > A = new ArrayList < Integer > ( ) ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    A . add ( sc . nextInt ( ) ) ;
    avg += ( float ) A . get ( i ) ;
  }
  avg = ( float ) avg / n ;
  int count = 0 ;
  for ( int i = 0 ;
  i < A . size ( ) ;
  i ++ ) {
    if ( ( float ) A . get ( i ) != avg ) {
      count ++ ;
    }
  }
  if ( count > 2 ) {
    System . out . println ( "Unrecoverable configuration." ) ;
  }
  else if ( count == 0 ) {
    System . out . println ( "Exemplary pages." ) ;
  }
  else if ( count == 2 ) {
    ArrayList < Integer > B = new ArrayList < Integer > ( A ) ;
    Collections . sort ( B ) ;
    if ( B . get ( B . size ( ) - 1 ) - ( int ) avg == ( int ) avg - B . get ( 0 ) ) {
      System . out . println ( ( B . get ( B . size ( ) - 1 ) - ( int ) avg ) + " ml. from cup #" + ( A . indexOf ( B . get ( 0 ) ) + 1 ) + " to cup #" + ( A . indexOf ( B . get ( B . size ( ) - 1 ) ) + 1 ) + "." ) ;
    }
    else {
      System . out . println ( "Unrecoverable configuration." ) ;
    }
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) ; float avg = 0 ; ArrayList < Integer > A = new ArrayList < Integer > ( ) ; for ( int i = 0 ; i < n ; i ++ ) { A . add ( sc . nextInt ( ) ) ; avg += ( float ) A . get ( i ) ; } avg = ( float ) avg / n ; int count = 0 ; for ( int i = 0 ; i < A . size ( ) ; i ++ ) { if ( ( float ) A . get ( i ) != avg ) { count ++ ; } } if ( count > 2 ) { System . out . println ( " Unrecoverable ▁ configuration . " ) ; } else if ( count == 0 ) { System . out . println ( " Exemplary ▁ pages . " ) ; } else if ( count == 2 ) { ArrayList < Integer > B = new ArrayList < Integer > ( A ) ; Collections . sort ( B ) ; if ( B . get ( B . size ( ) - 1 ) - ( int ) avg == ( int ) avg - B . get ( 0 ) ) { System . out . println ( ( B . get ( B . size ( ) - 1 ) - ( int ) avg ) + " ▁ ml . ▁ from ▁ cup ▁ # " + ( A . indexOf ( B . get ( 0 ) ) + 1 ) + " ▁ to ▁ cup ▁ # " + ( A . indexOf ( B . get ( B . size ( ) - 1 ) ) + 1 ) + " . " ) ; } else { System . out . println ( " Unrecoverable ▁ configuration . " ) ; } } }
(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: (floating_point_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (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 (type_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 (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))))) (expression_statement (assignment_expression left: (identifier) right: (cast_expression type: (floating_point_type) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (cast_expression type: (floating_point_type) value: (identifier)) right: (identifier)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_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: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (cast_expression type: (floating_point_type) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) right: (identifier))) consequence: (block (expression_statement (update_expression (identifier))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (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 (type_identifier))) arguments: (argument_list (identifier))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)))) right: (cast_expression type: (integral_type) value: (identifier))) right: (binary_expression left: (cast_expression type: (integral_type) value: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal)))))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)))) right: (cast_expression type: (integral_type) value: (identifier)))) right: (string_literal)) right: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))))) right: (decimal_integer_literal)))) right: (string_literal)) right: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)))))) right: (decimal_integer_literal)))) right: (string_literal)))))) alternative: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))))))))))