PROGRAMMING:Seek the sum
Keven encountered a problem in learning C language, so he asked you for advice,
It is required to read in '2 positive integers' a' and 'B', and then output their sum.
###Input format:
Enter two positive integers' a 'and' B 'with absolute values no more than' 1e20 'in one line.
###Output format:
For each group of inputs, output the value of 'a + B' in one line.
###Input example:
```in
2 3
```
###Output example:
```out
five
```
answer：If there is no answer, please comment
It is required to read in '2 positive integers' a' and 'B', and then output their sum.
###Input format:
Enter two positive integers' a 'and' B 'with absolute values no more than' 1e20 'in one line.
###Output format:
For each group of inputs, output the value of 'a + B' in one line.
###Input example:
```in
2 3
```
###Output example:
```out
five
```
answer：If there is no answer, please comment