PROGRAMMING:A little milk tea

This is a price list of a little milk tea. My mother asked Xiao Ming to buy milk tea. The number of milk tea on the left is 1 ~ 10, and the number of milk tea on the right is 11 ~ 21.
Xiaoming took n yuan to buy milk tea, only one kind of milk tea, such as: Xiaoming took 100 yuan to buy No. 8 milk tea, we found that No. 8 is honey green, Xiaoming choose medium cup, buy two cups need to pay 20 yuan, get back 80 yuan.
###Input format:
The first line is the amount of money Xiao Ming brought.
The second line, Xiao Ming to buy the number, type (x for small, Z for medium, R for hot), and quantity, separated by a space
###Output format:
A number is the money you get back. If you don't have enough money, please export it. If you don't have this kind of milk tea, please export it
###Input sample 1:
```in
fifty
1 x 5
```
###Output sample 1:
```out
twenty-five
```
###Input sample 2:
```in
ten
8 r 5
```
###Output sample 2:
```out
mei you zhe zhong naicha
```
###Input sample 3
```in
twenty
13 z 3
```
###Output sample 3:
```out
qian bu gou
```
###Input sample 4
```in
twenty
13 d 3
```
###Output sample 4:
```out
mei you zhe zhong naicha
```






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