public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  long [ ] hen = new long [ 3 ] ;
  long wa = 1 ;
  for ( int i = 0 ;
  i < 3 ;
  i ++ ) {
    hen [ i ] = sc . nextLong ( ) ;
    wa *= hen [ i ] % 2 ;
  }
  if ( wa == 0 ) {
    System . out . println ( 0 ) ;
  }
  else {
    Arrays . sort ( hen ) ;
    System . out . println ( hen [ 0 ] * hen [ 1 ] ) ;
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; long [ ] hen = new long [ 3 ] ; long wa = 1 ; for ( int i = 0 ; i < 3 ; i ++ ) { hen [ i ] = sc . nextLong ( ) ; wa *= hen [ i ] % 2 ; } if ( wa == 0 ) { System . out . println ( 0 ) ; } else { Arrays . sort ( hen ) ; System . out . println ( hen [ 0 ] * hen [ 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: (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))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (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: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (decimal_integer_literal))))) alternative: (block (expression_statement (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 (binary_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (array_access array: (identifier) index: (decimal_integer_literal))))))))))