PROGRAMMING:Step tariff in Zhejiang Province (2012 to present)

1. Zhejiang Province will implement the new step tariff standard from July 1, 2012, as follows: a new billing cycle will be implemented from January 1 every year;
(1) If the annual cumulative electricity consumption is less than 2760 kWh (the same below), RMB 0.538 per kWh shall be used;
(2) For the part of annual accumulated electricity consumption exceeding 2760 kwh but lower than 4800 kwh, the basic electricity price will be increased by 0.05 yuan per kWh, that is, 0.588 yuan per kWh;
(3) If the annual cumulative electricity consumption exceeds 4800 kwh, the price will be increased by 0.30 yuan per kWh, that is, 0.838 yuan per kWh.
Now input two numbers: the first number represents the total electricity consumption of the first 10 months, and the second one represents the electricity consumption of November, which can correctly output the amount of electricity charge in November (with two decimal places reserved).
###Input format:
2700 200
###Output format:
one hundred and fourteen point six zero
###Input example:
Here is a set of inputs. For example:
```in
4700 200
```
###Output example:
The corresponding output is given here. For example:
```out
one hundred and forty-two point six zero
```







answer：If there is no answer, please comment