C$++$

$14\mathrm{.}1\mathrm{.}2$: Exception basics.

$582880\mathrm{.}4258294.$qx$3$zqy$7$

Jump to level $1$

Strings yourUsername and yourDomain are read from input. Complete the try block to output "Sending email to $"$ followed by yourUsername and yourDomain with error checking:

If yourUsername's length is $<3$ or $>7,$ throw a runtime exception with the message "User name's length must be between $3$ and $7".$

If yourDomain does not start with $\text{'}$@$\text{'},$ throw a runtime exception with the message "Domain must start with $\text{'}$@$\text{'}".$

Ex: If input is Amir @leek, then the output is:

Sending email to Amir@leek

Ex: If input is Svetlana @leek, then the output is:

Error: User name's length must be between $3$ and $7$

Ex: If input is Amir lettuce, then the output is:

Error: Domain must start with $\text{'}$@$\text{'}$