public static void main ( String [ ] args ) {
  Scanner scanner = new Scanner ( System . in ) ;
  String input = scanner . next ( ) ;
  StringBuilder bld = new StringBuilder ( ) ;
  input = input . toLowerCase ( ) ;
  input = input . replaceAll ( "[aeiouy]" , "" ) ;
  if ( input . length ( ) > 0 ) {
    for ( int i = 0 ;
    i < input . length ( ) ;
    i ++ ) {
      bld . append ( "." ) . append ( input . charAt ( i ) ) ;
    }
  }
  System . out . println ( bld ) ;
}

public static void main ( String [ ] args ) { Scanner scanner = new Scanner ( System . in ) ; String input = scanner . next ( ) ; StringBuilder bld = new StringBuilder ( ) ; input = input . toLowerCase ( ) ; input = input . replaceAll ( " [ aeiouy ] " , " " ) ; if ( input . length ( ) > 0 ) { for ( int i = 0 ; i < input . length ( ) ; i ++ ) { bld . append ( " . " ) . append ( input . charAt ( i ) ) ; } } System . out . println ( bld ) ; }
(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: (type_identifier) declarator: (variable_declarator name: (identifier) value: (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)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal) (string_literal))))) (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal))) consequence: (block (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 (expression_statement (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal))) 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 (identifier))))))