| Лимит времени 2000/4000/4000/4000 мс. Лимит памяти 65000/65000/65000/65000 Кб. 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.
 
  
| Input  b>
 td> | Output 1 b>
 td>  tr> 
| 2.5 td>
 | 7.50 td>  tr>
 |  |  Для отправки решений необходимо выполнить вход.
 
 
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