public static void main ( String [ ] args ) {
  Scanner scanner = new Scanner ( System . in ) ;
  int n = Integer . parseInt ( scanner . nextLine ( ) ) ;
  StringBuilder sb = new StringBuilder ( ) ;
  boolean didReplaceEmptySeats = false ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    String line = scanner . nextLine ( ) ;
    if ( didReplaceEmptySeats ) {
    }
    else {
      if ( line . contains ( "OO" ) ) {
        line = line . replaceFirst ( "OO" , "++" ) ;
        didReplaceEmptySeats = true ;
      }
    }
    sb . append ( line + System . lineSeparator ( ) ) ;
  }
  if ( didReplaceEmptySeats ) {
    System . out . println ( "YES" ) ;
    System . out . println ( sb . toString ( ) ) ;
  }
  else {
    System . out . println ( "NO" ) ;
  }
}

public static void main ( String [ ] args ) { Scanner scanner = new Scanner ( System . in ) ; int n = Integer . parseInt ( scanner . nextLine ( ) ) ; StringBuilder sb = new StringBuilder ( ) ; boolean didReplaceEmptySeats = false ; for ( int i = 0 ; i < n ; i ++ ) { String line = scanner . nextLine ( ) ; if ( didReplaceEmptySeats ) { } else { if ( line . contains ( " OO " ) ) { line = line . replaceFirst ( " OO " , " + + " ) ; didReplaceEmptySeats = true ; } } sb . append ( line + System . lineSeparator ( ) ) ; } if ( didReplaceEmptySeats ) { System . out . println ( " YES " ) ; System . out . println ( sb . toString ( ) ) ; } else { System . out . println ( " NO " ) ; } }
(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 (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list)))) (local_variable_declaration type: (boolean_type) declarator: (variable_declarator name: (identifier) value: (false))) (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 (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (if_statement condition: (parenthesized_expression (identifier)) consequence: (block) alternative: (block (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal)))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal) (string_literal))))) (expression_statement (assignment_expression left: (identifier) right: (true))))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))))) (if_statement condition: (parenthesized_expression (identifier)) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) (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)))))) alternative: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))))))