PROGRAMMING:4.2 - calculate the sum of all integers between two numbers

Write a program to read the value of two integers as follows, and then calculate the sum of all integers between them.
```
Please enter two integers.
Integer a: 37
Integer B: 28
The sum of all integers greater than or equal to 28 and less than or equal to 37 is 325.
```
-----From exercise 4-2
###Input example:
```in
twenty-eight
thirty-seven
```
###Output example:
```out
Please enter two integers.
Integer a: integer B: the sum of all integers greater than or equal to 28 and less than or equal to 37 is 325.
```







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