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pending

The date 8.8.64 meaning August 8,1964 is a very interesting date because the product of the first two numbers equals the third.

Can you find the year of the twentieth century which gives maximum dates of this kind?

Enter your answer as the sum of the digits of the year.

Note : This problem is not original.

Example:If your answer is 2000 ,then enter your answer as 2 + 0 + 0 + 0 , which is 2.

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