PROGRAMMING:The return value of the scanf function
Input up to two integers, if the input is an integer, output its square, if the input is two integers, output their product.
###Input example:
```in
twenty-five
```
###Output example:
```out
six hundred and twenty-five
```
###Input example:
```in
2 5
```
###Output example:
```out
ten
```
answer:If there is no answer, please comment
###Input example:
```in
twenty-five
```
###Output example:
```out
six hundred and twenty-five
```
###Input example:
```in
2 5
```
###Output example:
```out
ten
```
answer:If there is no answer, please comment