PROGRAMMING:piecewise function 2

Develop a program to calculate a piecewise function.
### Input Specification:
Input a decimal number (real number) for x
### Output Specification:
Output the value of x and y. keep 2 decimal numbers. Seperate by ','
### Sample Input:
```in
three point seven five
```
### Sample Output:
```out
x=3.75,y=46.69
```







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