public static void main ( String args [ ] ) {
  Scanner scan = new Scanner ( System . in ) ;
  int num = scan . nextInt ( ) ;
  int cnt = 0 ;
  boolean a = num > 99 ;
  if ( a ) {
    cnt ++ ;
    num = num - 100 ;
  }
  boolean b = num > 9 ;
  if ( b ) {
    num = num - 10 ;
    cnt ++ ;
  }
  boolean c = num == 1 ;
  if ( c ) {
    cnt ++ ;
  }
  System . out . println ( cnt ) ;
}

public static void main ( String args [ ] ) { Scanner scan = new Scanner ( System . in ) ; int num = scan . nextInt ( ) ; int cnt = 0 ; boolean a = num > 99 ; if ( a ) { cnt ++ ; num = num - 100 ; } boolean b = num > 9 ; if ( b ) { num = num - 10 ; cnt ++ ; } boolean c = num == 1 ; if ( c ) { cnt ++ ; } System . out . println ( cnt ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) 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: (decimal_integer_literal))) (local_variable_declaration type: (boolean_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (identifier)) consequence: (block (expression_statement (update_expression (identifier))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (local_variable_declaration type: (boolean_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (identifier)) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (expression_statement (update_expression (identifier))))) (local_variable_declaration type: (boolean_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (identifier)) consequence: (block (expression_statement (update_expression (identifier))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))