of the sum of the first 9 digits of the TCNO information 7 times the odd row (1.3.,5.7., and 9.) and 9 times the double row (2.4.6., and 8.) gives the tenth (10th) digit. 11. Checks the TCNO information. Returns true if valid, false if invalid. If the tenth digit of the TCNO information calculated as above and the tenth number is the same, it is valid. If it is different, it is invalid. SAMPLE DRIVER PROGRAM 7/ include class header file in code int main() { Citizen a ("Ali Gel", "Ankara", 2002); Citizen b ("Veli Git", "Bolu", 2012), c; // print out b's information // pass older than a and b to c. cout