PROGRAMMING:Buy copy paper

An office is going to spend all the remaining office expenses on the purchase of copy paper by the end of the year. Please write a program, input the balance of office expenses and the unit price of each package of copy paper, calculate and output the maximum number of packages of copy paper that can be purchased.
####Input format
>The balance of office expenses and the unit price of each package of copy paper
####Output format
>Maximum quantity of copy paper available
####Input sample 1
```
802.4 47.2
```
####Output sample 1
```
seventeen
```
####Input sample 2
```in
514.79 19.8
```
####Output sample 2
```out
twenty-five
```







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