There are 18/3 = <<18/3=6>>6 female contestants.

There are 18-6 = <<18-6=12>>12 male contestants.

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
A third of the contestants at a singing competition are female, and the rest are male. If there are 18 contestants in total, how many of them are male?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
12
A third of the contestants at a singing competition are female, and the rest are male. If there are 18 contestants in total, how many of them are male?
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