public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  String t = sc . next ( ) ;
  sc . close ( ) ;
  int n = t . length ( ) ;
  if ( n == 2 ) {
    if ( t . charAt ( 0 ) == t . charAt ( 1 ) ) {
      System . out . println ( "1 2" ) ;
    }
    else {
      System . out . println ( "-1 -1" ) ;
    }
    System . exit ( 0 ) ;
  }
  for ( int i = 0 ;
  i < n - 2 ;
  i ++ ) {
    char c0 = t . charAt ( i ) ;
    char c1 = t . charAt ( i + 1 ) ;
    char c2 = t . charAt ( i + 2 ) ;
    int [ ] k = new int [ 26 ] ;
    k [ ( int ) ( c0 - 'a' ) ] ++ ;
    k [ ( int ) ( c1 - 'a' ) ] ++ ;
    k [ ( int ) ( c2 - 'a' ) ] ++ ;
    Arrays . sort ( k ) ;
    if ( k [ 25 ] == 2 ) {
      System . out . printf ( "%d %d\n" , i + 1 , i + 3 ) ;
      System . exit ( 0 ) ;
    }
  }
  System . out . println ( "-1 -1" ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; String t = sc . next ( ) ; sc . close ( ) ; int n = t . length ( ) ; if ( n == 2 ) { if ( t . charAt ( 0 ) == t . charAt ( 1 ) ) { System . out . println ( "1 ▁ 2" ) ; } else { System . out . println ( " - 1 ▁ - 1" ) ; } System . exit ( 0 ) ; } for ( int i = 0 ; i < n - 2 ; i ++ ) { char c0 = t . charAt ( i ) ; char c1 = t . charAt ( i + 1 ) ; char c2 = t . charAt ( i + 2 ) ; int [ ] k = new int [ 26 ] ; k [ ( int ) ( c0 - ' a ' ) ] ++ ; k [ ( int ) ( c1 - ' a ' ) ] ++ ; k [ ( int ) ( c2 - ' a ' ) ] ++ ; Arrays . sort ( k ) ; if ( k [ 25 ] == 2 ) { System . out . printf ( " % d ▁ % d \n " , i + 1 , i + 3 ) ; System . exit ( 0 ) ; } } System . out . println ( " - 1 ▁ - 1" ) ; }
(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)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))) 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 (string_literal))))) alternative: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (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: (binary_expression left: (identifier) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (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 (decimal_integer_literal))))) (expression_statement (update_expression (array_access array: (identifier) index: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (identifier) right: (character_literal))))))) (expression_statement (update_expression (array_access array: (identifier) index: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (identifier) right: (character_literal))))))) (expression_statement (update_expression (array_access array: (identifier) index: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (identifier) right: (character_literal))))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal) (binary_expression left: (identifier) right: (decimal_integer_literal)) (binary_expression left: (identifier) right: (decimal_integer_literal))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal)))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))))