There is a four-digit number whose sum of digits is divisible by 17. Add 1 to this four-digit number, and the sum of the digits of the resulting sum is also divisible by 17. The minimum of this four-digit number is How many.
有一个四位数，它的各位上数字相加的和能被17整除，将这个四位数加上1，所得和的各位上的数字的和也能被17整除，这个四位数最小是多少．
<result>8_899</result>