제출 #36773

실행 실패 (제출 코드 컴파일 에러)

Main.java:22: error: cannot find symbol
                        bw.write(" " + num);
                                       ^
  symbol:   variable num
  location: class Main
Main.java:24: error: cannot find symbol
                        bw.write(num + " +");
                                 ^
  symbol:   variable num
  location: class Main
2 errors