Problem $2$: Write a program that computes your PIN number from your birthdate that is entered as $2$ integer values for day and month, respectively. The PIN number is computed as follows:

multiply the digits of the day $($multDay$).$

add the digits of the month $($sumMonth$).$

find the PIN number using multDay $+100*$ sumMonth.

print your PIN number.

Input $/$Output Sample:

Enter the day and month: $2311$ Your PIN number is $206$

I need answer with c$++$