public static void main ( String [ ] args ) throws Exception {
  Scanner cin = new Scanner ( System . in ) ;
  int H = cin . nextInt ( ) ;
  int W = cin . nextInt ( ) ;
  cin . close ( ) ;
  long result = 0L ;
  if ( W == H ) {
    result = calcMin ( H , W ) ;
  }
  else {
    result = Math . min ( calcMin ( H , W ) , calcMin ( W , H ) ) ;
  }
  System . out . println ( result ) ;
}

public static void main ( String [ ] args ) throws Exception { Scanner cin = new Scanner ( System . in ) ; int H = cin . nextInt ( ) ; int W = cin . nextInt ( ) ; cin . close ( ) ; long result = 0L ; if ( W == H ) { result = calcMin ( H , W ) ; } else { result = Math . min ( calcMin ( H , W ) , calcMin ( W , H ) ) ; } System . out . println ( result ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) (throws (type_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) 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: (decimal_integer_literal))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier)))))) alternative: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))) (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))