
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
The perimeter of an equilateral triangle is $1989 \mathrm{~cm}$ more than the perimeter of a square. The side length of the triangle is $d \mathrm{~cm}$ more than the side length of the square, and the perimeter of the square is greater than $0$. Find the number of positive integer values that $d$ cannot take.

Present the answer in LaTex format: \boxed{Your answer}
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