Draw a complete flowchart for the following C++ prog.

#include using namespace std; int main() { int birthyear, birthmonth, birthday, currentyear, currentmonth, currentday, currentageyear, currentagemonth, currentageday; char yesno; cout << " \t\t Basili's Age Calculator "; cout << "In which year where you born? (Example: 1996) "; cin >> birthyear; cout << endl << "In which month were you born? " << endl << endl; cout << " 1) January 2) February 3) March 4) April 5) May 6) June 7) July"; cout << endl << " 8) August 9) September 10) October 11) November 12) December"; cout << endl << endl << "Enter a value: "; cin >> birthmonth; while(birthmonth <= 0 || birthmonth > 12) { cout << endl << birthmonth << " is an invalid value. "; cout << "1 to 12 are valid values." << endl; cout << "Enter a valid value: "; cin >> birthmonth; } cout << endl << "On which day of the month were you born? "; cin >> birthday; if(birthmonth == 1 || birthmonth == 3 || birthmonth == 5 || birthmonth == 7 || birthmonth == 8 || birthmonth == 10 || birthmonth == 12) { while(birthday <= 0 || birthday > 31) { cout << endl << birthday << " is an invalid value for a day of a month." << endl; cout << "Enter a valid value. 1 to 31 are valid values: "; cin >> birthday; } } if(birthmonth == 4 || birthmonth == 6 || birthmonth == 9 || birthmonth == 11) { while(birthday <= 0 || birthday > 30) { cout << endl << birthday << " is an invalid value for a day of a month." << endl; cout << "Enter a valid value. 1 to 30 are valid values: "; cin >> birthday; } } if(birthmonth == 2) { if(birthyear%4 == 0) { if(birthyear%100 == 0 && birthyear%400 != 0) { while(birthday <= 0 || birthday > 28) { cout << endl << birthday << " is an invalid value for a day of a month." << endl; cout << "Enter a valid value. 1 to 28 are valid values: "; cin >> birthday; } } else { while(birthday <= 0 || birthday > 29) { cout << endl << birthday << " is an invalid value for a day of a month." << endl; cout << "Enter a valid value. 1 to 29 are valid values: "; cin >> birthday; } } } else { while(birthday <= 0 || birthday > 28) { cout << endl << birthday << " is an invalid value for a day of a month." << endl; cout << "Enter a valid value. 1 to 28 are valid values: "; cin >> birthday; } } } if(birthmonth == 1) { cout << endl << "You were born on the " << birthday << "th January " << birthyear << "." << endl; cout << endl << "Is that right? (Y/N) "; cin >> yesno; if(yesno != 'Y' && yesno != 'y') { cout << endl << "The program will be restarted so you can enter your "; cout << "data again." << endl << endl; main(); } } if(birthmonth == 2) { cout << endl << "You were born on the " << birthday << "th February " << birthyear << "." << endl; cout << endl << "Is that right? (Y/N) "; cin >> yesno; if(yesno != 'Y' && yesno != 'y') { cout << endl << "The program will be restarted so you can enter your "; cout << "data again." << endl << endl; main(); } } if(birthmonth == 3) { cout << endl << "You were born on the " << birthday << "th March " << birthyear << "." << endl; cout << endl << "Is that right? (Y/N) "; cin >> yesno; if(yesno != 'Y' && yesno != 'y') { cout << endl << "The program will be restarted so you can enter your "; cout << "data again." << endl << endl; main(); } } if(birthmonth == 4) { cout << endl << "You were born on the " << birthday << "th April " << birthyear << "." << endl; cout << endl << "Is that right? (Y/N) "; cin >> yesno; if(yesno != 'Y' && yesno != 'y') { cout << endl << "The program will be restarted so you can enter your "; cout << "data again." << endl << endl; main(); } } if(birthmonth == 5) { cout << endl << "You were born on the " << birthday << "th May " << birthyear << "." << endl; cout << endl << "Is that right? (Y/N) "; cin >> yesno; if(yesno != 'Y' && yesno != 'y') { cout << endl << "The program will be restarted so you can enter your "; cout << "data again." << endl << endl; main(); } } if(birthmonth == 6) { cout << endl << "You were born on the " << birthday << "th June " << birthyear << "." << endl; cout << endl << "Is that right? (Y/N) "; cin >> yesno; if(yesno != 'Y' && yesno != 'y') { cout << endl << "The program will be restarted so you can enter your "; cout << "data again." << endl << endl; main(); } } if(birthmonth == 7) { cout << endl << "You were born on the " << birthday << "th July " << birthyear << "." << endl; cout << endl << "Is that right? (Y/N) "; cin >> yesno; if(yesno != 'Y' && yesno != 'y') { cout << endl << "The program will be restarted so you can enter your "; cout << "data again." << endl << endl; main(); } } if(birthmonth == 8) { cout << endl << "You were born on the " << birthday << "th August " << birthyear << "." << endl; cout << endl << "Is that right? (Y/N) "; cin >> yesno; if(yesno != 'Y' && yesno != 'y') { cout << endl << "The program will be restarted so you can enter your "; cout << "data again." << endl << endl; main(); } } if(birthmonth == 9) { cout << endl << "You were born on the " << birthday << "th September " << birthyear << "." << endl; cout << endl << "Is that right? (Y/N) "; cin >> yesno; if(yesno != 'Y' && yesno != 'y') { cout << endl << "The program will be restarted so you can enter your "; cout << "data again." << endl << endl; main(); } } if(birthmonth == 10) { cout << endl << "You were born on the " << birthday << "th October " << birthyear << "." << endl; cout << endl << "Is that right? (Y/N) "; cin >> yesno; if(yesno != 'Y' && yesno != 'y') { cout << endl << "The program will be restarted so you can enter your "; cout << "data again." << endl << endl; main(); } } if(birthmonth == 11) { cout << endl << "You were born on the " << birthday << "th November " << birthyear << "." << endl; cout << endl << "Is that right? (Y/N) "; cin >> yesno; if(yesno != 'Y' && yesno != 'y') { cout << endl << "The program will be restarted so you can enter your "; cout << "data again." << endl << endl; main(); } } if(birthmonth == 12) { cout << endl << "You were born on the " << birthday << "th December " << birthyear << "." << endl; cout << endl << "Is that right? (Y/N) "; cin >> yesno; if(yesno != 'Y' && yesno != 'y') { cout << endl << "The program will be restarted so you can enter your "; cout << "data again." << endl << endl; main(); } } cout << endl << "Which year is it now? "; cin >> currentyear; while(currentyear < birthyear) { cout << endl << "Your birthyear can't be bigger than the current year." << endl; cout << "Enter a valid year: "; cin >> currentyear; } cout << endl << "Which month is it now? " << endl << endl; cout << " 1) January 2) February 3) March 4) April 5) May 6) June 7) July"; cout << endl << " 8) August 9) September 10) October 11) November 12) December"; cout << endl << endl << "Enter a value: "; cin >> currentmonth; while(currentmonth <= 0 || currentmonth > 12) { cout << endl << birthmonth << " is an invalid value. "; cout << "1 to 12 are valid values." << endl; cout << "Enter a valid value: "; cin >> currentmonth; } while(currentyear == birthyear && currentmonth < birthmonth) { cout << endl << "You aren't born yet. This program is only intended for the people who are born" << endl; cout << "Just wait a few months, or enter a valid current month: "; cin >> currentmonth; } cout << endl << "Which day of the month is it now? "; cin >> currentday; if(currentmonth == 1 || currentmonth == 3 || currentmonth == 5 || currentmonth == 7 || currentmonth == 8 || currentmonth == 10 || currentmonth == 12) { while(currentday <= 0 || currentday > 31) { cout << endl << birthday << " is an invalid value for a day of the month." << endl; cout << "1 to 31 are valid values. Enter a valid value: "; cin >> birthday; } } if(currentmonth == 4 || currentmonth == 6 || currentmonth == 9 || currentmonth == 11) { while(currentday <= 0 || currentday > 30) { cout << endl << birthday << " is an invalid value for a day of the month." << endl; cout << "1 to 30 are valid values. Enter a valid value: "; cin >> birthday; } } if(currentmonth == 2) { if(currentyear%4 == 0) { if(currentyear%100 == 0 && currentyear%400 != 0) { while(currentday <= 0 || currentday > 28) { cout << endl << birthday << " is an invalid value for a day of the month." << endl; cout << "1 to 28 are valid values. Enter a valid value: "; cin >> birthday; } } else { while(currentday <= 0 || currentday > 29) { cout << endl << birthday << " is an invalid value for a day of the month." << endl; cout << "1 to 29 are valid values. Enter a valid value: "; cin >> birthday; } } } else { while(currentday <= 0 || currentday > 28) { cout << endl << birthday << " is an invalid value for a day of the month." << endl; cout << "1 to 28 are valid values. Enter a valid value: "; cin >> birthday; } } } if(currentyear == birthyear && currentmonth == birthmonth && currentday < birthday) { cout << endl << "You aren't born yet. This program is only intended for the people who are born." << endl; cout << "Just wait a few days, or enter a valid day: "; cin >> currentday; } cout << endl << "The system is calculating your age..." << endl << endl; currentageyear = currentyear - birthyear; currentagemonth = currentmonth - birthmonth; currentageday = currentday - birthday; if(currentagemonth < 0) { currentageyear = currentageyear - 1; currentagemonth = 12 + currentagemonth; } if(currentageday < 0 && currentagemonth == 0) { currentageyear = currentageyear - 1; currentagemonth = 12 - 1; if(currentmonth == 1 || currentmonth == 3 || currentmonth == 5 || currentmonth == 7 || currentmonth == 8 || currentmonth == 10 || currentmonth == 12) { currentageday = 31 + currentageday; } if(currentmonth == 4 || currentmonth == 6 || currentmonth == 9 || currentmonth == 11) { currentageday = 30 + currentageday; } if(currentmonth == 2) { currentageday = 28 + currentageday; if(currentyear%4 == 0) { currentageday = 29 + currentageday; if(currentyear%100 == 0 && currentyear%400 != 0) { currentageday = 28 + currentageday; } } } } if(currentageday < 0 && currentagemonth != 0) { currentagemonth = currentagemonth - 1; if(currentmonth == 1 || currentmonth == 3 || currentmonth == 5 || currentmonth == 7 || currentmonth == 8 || currentmonth == 10 || currentmonth == 12) { currentageday = 32 + currentageday; } if(currentmonth == 4 || currentmonth == 6 || currentmonth == 9 || currentmonth == 11) { currentageday = 31 + currentageday; } if(currentmonth == 2) { currentageday = 29 + currentageday; if(currentyear%4 == 0) { currentageday = 30 + currentageday; if(currentyear%100 == 0 && currentyear%400 != 0) { currentageday = 29 + currentageday; } } } } cout << "Birthyear: " << birthyear << endl; cout << "Birthmonth: " << birthmonth << endl; cout << "Birthday: " << birthday << endl << endl; if(currentageday != 1 && currentagemonth != 1) { cout << "You are " << currentageyear << " years, " << currentagemonth << " months and " << currentageday << " days old."; } if(currentageday == 1 && currentagemonth == 1) { cout << "You are " << currentageyear << " years, " << currentagemonth << " month and " << currentageday << " day old."; } if(currentageday != 1 && currentagemonth == 1) { cout << "You are " << currentageyear << " years, " << currentagemonth << " month and " << currentageday << " days old."; } if(currentageday == 1 && currentagemonth != 1) { cout << "You are " << currentageyear << " years, " << currentagemonth << " months and " << currentageday << " day old."; } if(currentageyear == 0 && currentagemonth == 0 && currentageday == 0) { cout << endl << "You are just born!" << endl; } if(currentageyear != 0 && currentagemonth == 0 && currentageday == 0) { cout << endl << endl << "Happy birthday! You have become " << currentageyear << " years old now!" << endl; } cout << endl << endl; return 0; }