/in/Main.java:13: error: cannot find symbol
                q.deleteCharAt(q.length()-1);
                 ^
  symbol:   method deleteCharAt(int)
  location: variable q of type String
/in/Main.java:16: error: cannot find symbol
		allNum.deleteCharAt(c.length()-1);
		      ^
  symbol:   method deleteCharAt(int)
  location: variable allNum of type String
2 errors