please solve it in edsim language and micro 8051 please put comment how solve it

No Operation Enter your code Exit 2. Option 1: Enter Your Code Enter 3 digits from keypad. Calculate the encryption code as the following: Add the digits and store the sum. You must keep the original digits. Convert the original digits to hundreds, tens and ones, take care of the maximum value that can be stored in a register! Add all converted values to get a whole number value. . Subtract the digit sum from the whole number value Display on LCD the reverse number value. Example: You enter: 2 3 6 from the keypad. Add the digits you get: 11 Convert 2 to 200, 3 to 30 and add 200 + 30 + 6 = 236 - Subtract 236 - 11 - 225 Display on LCD 5 2 2 A message will appear on LCD after time delay to ask the user to exit or return to the main menu again You are responsible to take care of any wrong entry. Error message must appear when the user enters any wrong selection at any time. Option 2: Exit The system will display a closing message and exit the program All calculations required should be done in the program and no lookup tables can be as input and used by the student. No Operation Enter your code Exit 2. Option 1: Enter Your Code Enter 3 digits from keypad. Calculate the encryption code as the following: Add the digits and store the sum. You must keep the original digits. Convert the original digits to hundreds, tens and ones, take care of the maximum value that can be stored in a register! Add all converted values to get a whole number value. . Subtract the digit sum from the whole number value Display on LCD the reverse number value. Example: You enter: 2 3 6 from the keypad. Add the digits you get: 11 Convert 2 to 200, 3 to 30 and add 200 + 30 + 6 = 236 - Subtract 236 - 11 - 225 Display on LCD 5 2 2 A message will appear on LCD after time delay to ask the user to exit or return to the main menu again You are responsible to take care of any wrong entry. Error message must appear when the user enters any wrong selection at any time. Option 2: Exit The system will display a closing message and exit the program All calculations required should be done in the program and no lookup tables can be as input and used by the student