PROGRAMMING:String connection
This problem requires the preparation of procedures, the use of pointers to achieve the connection of two strings (can not use strcat function), and the connected string output.
###Input format:
Enter a line of non empty string (no more than 40 characters) ending with carriage return, and then enter a line of non empty string (no more than 40 characters) ending with carriage return.
###Output format:
One line outputs the new string after the connection of two strings.
###Input example:
```in
Beijing_
China
```
###Output example:
```out
Beijing_ China
```
answer：If there is no answer, please comment
###Input format:
Enter a line of non empty string (no more than 40 characters) ending with carriage return, and then enter a line of non empty string (no more than 40 characters) ending with carriage return.
###Output format:
One line outputs the new string after the connection of two strings.
###Input example:
```in
Beijing_
China
```
###Output example:
```out
Beijing_ China
```
answer：If there is no answer, please comment