public static void main ( String [ ] args ) {
  RealScanner sc = new RealScanner ( ) ;
  List < Integer > l = new ArrayList < > ( ) ;
  for ( int i = 0 ;
  i < 4 ;
  i ++ ) {
    int a = sc . nextInt ( ) ;
    l . add ( a ) ;
  }
  String myS = sc . next ( ) ;
  int sum = 0 ;
  for ( int i = 0 ;
  i < myS . length ( ) ;
  i ++ ) {
    sum += l . get ( myS . charAt ( i ) - '0' - 1 ) ;
  }
  System . out . println ( sum ) ;
}

public static void main ( String [ ] args ) { RealScanner sc = new RealScanner ( ) ; List < Integer > l = new ArrayList < > ( ) ; for ( int i = 0 ; i < 4 ; i ++ ) { int a = sc . nextInt ( ) ; l . add ( a ) ; } String myS = sc . next ( ) ; int sum = 0 ; for ( int i = 0 ; i < myS . length ( ) ; i ++ ) { sum += l . get ( myS . charAt ( i ) - '0' - 1 ) ; } 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)))) (local_variable_declaration type: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments)) 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: (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)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (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))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (character_literal)) right: (decimal_integer_literal)))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))