def rearrange_word(word):
length = len(word)
if length % 3 != 0:
return "TANTRUM"
section_length = length // 3
first_section = word[:section_length][::-1]
middle_section = word[section_length:2*section_length]
third_section = word[2*section_length:][::-1]
return first_section + middle_section + third_section
# Example usage
print(rearrange_word("racecar")) # Output: carerat
print(rearrange_word("bounce")) # Output: TANTRUM
# your code goes here
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