public static void main ( String args [ ] ) {
  Scanner scan = new Scanner ( System . in ) ;
  int a = Integer . parseInt ( scan . next ( ) ) ;
  int b = Integer . parseInt ( scan . next ( ) ) ;
  int count = 0 ;
  if ( b % a == 0 ) {
    count = a + b ;
  }
  else {
    count = b - a ;
  }
  PrintWriter out = new PrintWriter ( System . out ) ;
  out . println ( count ) ;
  out . flush ( ) ;
  scan . close ( ) ;
}

public static void main ( String args [ ] ) { Scanner scan = new Scanner ( System . in ) ; int a = Integer . parseInt ( scan . next ( ) ) ; int b = Integer . parseInt ( scan . next ( ) ) ; int count = 0 ; if ( b % a == 0 ) { count = a + b ; } else { count = b - a ; } PrintWriter out = new PrintWriter ( System . out ) ; out . println ( count ) ; out . flush ( ) ; scan . close ( ) ; }
(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 (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 (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: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier))))) alternative: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier)))))) (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)))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))