What is $0^{(5^{6431564})}$?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is $0^{(5^{6431564})}$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
0
What is $0^{(5^{6431564})}$?
train