PROGRAMMING:Try multithreading

Write four threads, the first thread from 1 to 25, the second thread from 26 to 50, the third thread from 51 to 75, the fourth thread from 76 to 100, and finally add the results of the four threads.
###Input format:
nothing
###Output format:
final result
###Input example:
```in
```
###Output example:
```out
five thousand and fifty
```







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