1004
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is the value of $x^5 - 5x$ when $x = 4$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
1004
What is the value of $x^5 - 5x$ when $x = 4$?
train