
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
Mr. Krbec and his cat Kokeš were selling tickets at Kulíkov Castle. On Saturday, they sold 210 children's tickets at 25 groschen each and some number of adult tickets at 50 groschen each. Altogether, they earned 5950 groschen that day.

How many adult tickets did they sell?

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