
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
When purchasing goods totaling at least 900 rubles, the store provides a discount of 25% on subsequent purchases. With 1200 rubles in his pocket, Petya wanted to buy 3 kg of meat and 1 kg of onions. In the store, meat was priced at 400 rubles per kg, and onions at 50 rubles per kg. Realizing that he did not have enough money for the purchase, Petya still managed to buy what he intended. How did he do it?

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