
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
There is a balance scale, and the weights are missing. In the kitchen, there are 5 grams of yeast and 30 grams of ginger. Using these two items and the balance scale, divide 500 grams of flour into two parts, one of 400 grams and one of 100 grams, in only two weighings. Provide a brief description of the process.

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