59. An electronic watch uses 5 two-digit numbers (including two-digit numbers with a leading 0) to indicate time and date, such as 15:23:45/06/18 representing June 18, 15:23:45. There are some special moments when all ten digits on the electronic watch are different. Among these special moments, the maximum sum of the 5 two-digit numbers on the electronic watch is $\qquad$ .
answer: 153