Time limit 2000/4000/4000/4000 ms. Memory limit 65000/65000/65000/65000 Kb.
bfs.
Write the definition of a function that takes
a decimal number as input and returns 3 times
the value of the decimal number.
Then, in the main program format your output
to show two decimal places (two digits after the
floating point).
Input specification
There will be only one number in the input which is between
0 ≤ n ≤ 50000.
Output specification
Show 3 times the value of the given decimal number.
Для отправки решений необходимо выполнить вход.
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