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We are good at math. Multiplied by me is equal to good. What number do you represent? What is the specific answer? Thank you.
The topic is wrong. No solution. The analysis is as follows

Because both the factor and the product are five digits, I * I have no carry. So, I won't exceed 3. Obviously, I am not 1 (because the number of digits of the first factor is different and the number of digits is the same). If I =2, then as long as good is not equal to 0 (good obviously cannot be 0), then my * good number is not good. If I =3, then from the perspective of single digits, good is only equal to 5 (the rest and triple digits are not the same number). So there is no solution to the problem, and the problem itself is wrong.