If 1 is added to each even digit and 1 is subtracted from each odd digit in the number 624739854, then the sum of digits which is 4th and 5th from right and left respectively ____.
1
11
2
9
3
13
4
10
5
8
If 1 is added to each even digit and 1 is subtracted from each odd digit in the number 624739854, then the sum of digits which is 4th and 5th from right and left respectively ____.