#include <iostream> using namespace std; class Date { public: int GetMonthDay(int year, int month) { int array[13] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; if (month == 2 && (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)) {...