
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
In a game, Michael writes down the numbers from $1$ to $150$. He starts by marking out $1$, leaving the next number $(2)$, marks out $3$, and continues this pattern until he reaches the end of the list. Each following round, he begins with the first unmarked and unskipped number, marks it out and skips the next number until one number remains. What is the last number left?
A) 64
B) 100
C) 128
D) 144

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