PROGRAMMING:Reading numbers
Input an integer and output the Pinyin corresponding to each digit. When the integer is negative, the word "Fu" is output first. The Pinyin of the ten numbers is as follows:
```
0: ling
1: yi
2: er
3: san
4: si
5: wu
6: liu
7: qi
8: ba
9: jiu
```
###Input format:
Enter an integer in one line, such as ` 1234 '.
Tip: integers include negative, zero, and positive numbers
###Output format:
Output the Pinyin corresponding to this integer in one line. The Pinyin of each number is separated by spaces. There is no last space at the end of the line. as
`yi er san si`。
###Input example:
```in
-600
```
###Output example:
```out
fu liu ling ling
```
answer：If there is no answer, please comment
```
0: ling
1: yi
2: er
3: san
4: si
5: wu
6: liu
7: qi
8: ba
9: jiu
```
###Input format:
Enter an integer in one line, such as ` 1234 '.
Tip: integers include negative, zero, and positive numbers
###Output format:
Output the Pinyin corresponding to this integer in one line. The Pinyin of each number is separated by spaces. There is no last space at the end of the line. as
`yi er san si`。
###Input example:
```in
-600
```
###Output example:
```out
fu liu ling ling
```
answer：If there is no answer, please comment