
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
Five people sit in a circle to play a game, each with a bag of pebbles. At the start of the game, the first person gives the second person 1 pebble, the second person gives the third person 2 pebbles, the third person gives the fourth person 3 pebbles, the fourth person gives the fifth person 4 pebbles, and the fifth person gives the first person 5 pebbles. After repeating this process for 5 rounds, all participants have the same number of pebbles in their bags. If the total number of pebbles is 1990, how many pebbles did each person have before the game started? Fill in the blanks: the first person had ___ pebbles, the second person had ___ pebbles, the third person had ___ pebbles, the fourth person had ___ pebbles, and the fifth person had ___ pebbles.

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