public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  String X = sc . next ( ) ;
  int sum = 0 ;
  sum += X . charAt ( 0 ) - '0' ;
  sum += X . charAt ( 1 ) - '0' ;
  System . out . println ( sum ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; String X = sc . next ( ) ; int sum = 0 ; sum += X . charAt ( 0 ) - '0' ; sum += X . charAt ( 1 ) - '0' ; System . out . println ( sum ) ; }
(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: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))) right: (character_literal)))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))) right: (character_literal)))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))