public static void main ( String [ ] args ) {
  Scanner scan = new Scanner ( System . in ) ;
  int n = scan . nextInt ( ) ;
  int x [ ] = new int [ n ] ;
  int sum = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    x [ i ] = scan . nextInt ( ) ;
    sum += x [ i ] ;
  }
  int a = 0 ;
  int b = 0 ;
  int count = 0 ;
  float norm = ( ( float ) sum ) / n ;
  for ( int i = 0 ;
  i < n && count < 3 ;
  i ++ ) {
    if ( x [ i ] < norm ) {
      count ++ ;
      a = i + 1 ;
    }
    else if ( x [ i ] > norm ) {
      count ++ ;
      b = i + 1 ;
    }
  }
  if ( count == 3 || norm != ( int ) norm ) {
    System . out . println ( "Unrecoverable configuration." ) ;
  }
  else if ( a == 0 ) {
    System . out . println ( "Exemplary pages." ) ;
  }
  else {
    System . out . println ( ( int ) ( x [ b - 1 ] - norm ) + " ml. from cup #" + a + " to cup #" + b + "." ) ;
  }
}

public static void main ( String [ ] args ) { Scanner scan = new Scanner ( System . in ) ; int n = scan . nextInt ( ) ; int x [ ] = new int [ n ] ; int sum = 0 ; for ( int i = 0 ; i < n ; i ++ ) { x [ i ] = scan . nextInt ( ) ; sum += x [ i ] ; } int a = 0 ; int b = 0 ; int count = 0 ; float norm = ( ( float ) sum ) / n ; for ( int i = 0 ; i < n && count < 3 ; i ++ ) { if ( x [ i ] < norm ) { count ++ ; a = i + 1 ; } else if ( x [ i ] > norm ) { count ++ ; b = i + 1 ; } } if ( count == 3 || norm != ( int ) norm ) { System . out . println ( " Unrecoverable ▁ configuration . " ) ; } else if ( a == 0 ) { System . out . println ( " Exemplary ▁ pages . " ) ; } else { System . out . println ( ( int ) ( x [ b - 1 ] - norm ) + " ▁ ml . ▁ from ▁ cup ▁ # " + a + " ▁ to ▁ cup ▁ # " + b + " . " ) ; } }
(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: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (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: (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: (identifier) right: (array_access array: (identifier) index: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (floating_point_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (parenthesized_expression (cast_expression type: (floating_point_type) value: (identifier))) right: (identifier)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))) consequence: (block (expression_statement (update_expression (identifier))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))) consequence: (block (expression_statement (update_expression (identifier))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (cast_expression type: (integral_type) value: (identifier))))) 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: (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: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (identifier)))) right: (string_literal)) right: (identifier)) right: (string_literal)) right: (identifier)) right: (string_literal))))))))))