public static void main ( String [ ] args ) {
  int x ;
  Boolean exsit = false ;
  Scanner input = new Scanner ( System . in ) ;
  x = input . nextInt ( ) ;
  for ( int a = 1 ;
  a <= x ;
  a ++ ) {
    for ( int b = 1 ;
    a % b == 0 ;
    b ++ ) {
      if ( a * b > x && a / b < x ) {
        System . out . println ( a + " " + b ) ;
        exsit = true ;
        break ;
      }
    }
    if ( exsit ) break ;
  }
  if ( ! exsit ) System . out . println ( - 1 ) ;
}

public static void main ( String [ ] args ) { int x ; Boolean exsit = false ; Scanner input = new Scanner ( System . in ) ; x = input . nextInt ( ) ; for ( int a = 1 ; a <= x ; a ++ ) { for ( int b = 1 ; a % b == 0 ; b ++ ) { if ( a * b > x && a / b < x ) { System . out . println ( a + " ▁ " + b ) ; exsit = true ; break ; } } if ( exsit ) break ; } if ( ! exsit ) System . out . println ( - 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: (integral_type) declarator: (variable_declarator name: (identifier))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (false))) (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)))))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (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 (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: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier)) right: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (identifier) right: (string_literal)) right: (identifier))))) (expression_statement (assignment_expression left: (identifier) right: (true))) (break_statement))))) (if_statement condition: (parenthesized_expression (identifier)) consequence: (break_statement)))) (if_statement condition: (parenthesized_expression (unary_expression operand: (identifier))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (unary_expression operand: (decimal_integer_literal))))))))