#include<iostream>

using namespace std;

char *Convert(char* TIME, char Type);


char *date(int day, int month, int year, char *TIME)
{
	TIME[0] = day / 10 + '0';
	TIME[1] = day % 10 + '0';
	TIME[2] = '/';
	TIME[3] = month / 10 + '0';
	TIME[4] = month % 10 + '0';
	TIME[5] = '/';
	TIME[6] = year / 1000 + '0';
	TIME[7] = (year/ 100)%10 + '0';
	TIME[8] = (year / 10)%10 + '0';
	TIME[9] = year % 10 + '0';
	return TIME;
}
int Day(char *TIME)
{
	char Type = ' ';
	char *_TIME = Convert(TIME, Type);
	int day = 0;
	if (Type == 'A')
	{
		char *temp1 = new char[10];
		for (int i = 0; i < 2; i++)
		{
			temp1[i] = _TIME[i + 3];
		}
		day = (temp1[0] - '0') * 10 + temp1[1] - '0';
	}
	if (Type == 'B')
	{
		char *temp2 = new char[12];
		for (int i = 0; i < 2; i++)
		{
			temp2[i] = _TIME[i + 4];
		}
		day = (temp2[0] - '0') * 10 + temp2[1] - '0';
	}
	if (Type == 'C')
	{
		char *temp3 = new char[12];
		for (int i = 0; i < 2; i++)
		{
			temp3[i] = _TIME[i];
		}
		day = (temp3[0] - '0') * 10 + temp3[1] - '0';

	}
	else
	{
		char *temp = new char[10];
		for (int i = 0; i < 2; i++)
		{
			temp[i] = _TIME[i];
		}
		day = (temp[0] - '0') * 10 + temp[1] - '0';
	}
	if (day < 1 || day>31)
		cout << "du lieu nhap sai" << endl;
	else
		return day;

}
int  Month(char *TIME)
{
	char *temp = new char[10];
	for (int i = 0; i < 2; i++)
	{
		temp[i] = TIME[i + 3];
	}
	int month = (temp[0]-'0') * 10 + (temp[1]-'0')*1;
	if (month < 1 || month>12)
		cout << "du lieu nhap sai" << endl;
	else
		return month;
}
int Year(char *TIME)
{
	char *temp = new char[10];
	for (int i = 0; i < 4; i++)
	{
		temp[i] = TIME[i + 6];
	}
	int year = (temp[0]-'0') * 1000 + (temp[1]-'0') * 100 + (temp[2]-'0') * 10 + temp[3]-'0';
	if (year < 1)
		cout << "du lieu nhap sai" << endl;
	else
		return year;
}
char* Convert(char* Time, char Type) {
	int ngay = Day(Time);
	int thang = Month(Time);
	int nam = Year(Time);
	char *kq = NULL;
	if (Type == 'A') {
		kq = new char[2 + 1 + 2 + 1 + 4];
		kq[0] = thang / 10 + '0';
		kq[1] = thang % 10 + '0';
		kq[2] = '/';
		kq[3] = ngay / 10 + '0';
		kq[4] = ngay % 10 + '0';
		kq[5] = '/';
		kq[6] = nam / 1000 + '0';
		nam = nam - (1000 * (nam / 1000));
		kq[7] = nam / 100 + '0';
		nam = nam - (100 * (nam / 100));
		kq[8] = nam % 10 + '0';
		nam = nam - (10 * (nam / 10));
		kq[9] = nam % 10 + '0';
		kq[10] = '\0';
	}

	if (Type == 'B') {
		kq = new char[3 + 1 + 2 + 1 + 1 + 4];
		if (thang == 1) {
			kq[0] = 'J';
			kq[1] = 'a';
			kq[2] = 'n';
		}
		if (thang == 2) {
			kq[0] = 'F';
			kq[1] = 'e';
			kq[2] = 'b';
		}
		if (thang == 3) {
			kq[0] = 'M';
			kq[1] = 'a';
			kq[2] = 'r';
		}
		if (thang == 4) {
			kq[0] = 'A';
			kq[1] = 'p';
			kq[2] = 'r';
		}
		if (thang == 5) {
			kq[0] = 'M';
			kq[1] = 'a';
			kq[2] = 'y';
		}
		if (thang == 6) {
			kq[0] = 'J';
			kq[1] = 'u';
			kq[2] = 'n';
		}
		if (thang == 7) {
			kq[0] = 'J';
			kq[1] = 'u';
			kq[2] = 'l';
		}
		if (thang == 8) {
			kq[0] = 'A';
			kq[1] = 'u';
			kq[2] = 'g';
		}
		if (thang == 9) {
			kq[0] = 'S';
			kq[1] = 'e';
			kq[2] = 'p';
		}
		if (thang == 10) {
			kq[0] = 'O';
			kq[1] = 'c';
			kq[2] = 't';
		}
		if (thang == 11) {
			kq[0] = 'N';
			kq[1] = 'o';
			kq[2] = 'v';
		}
		if (thang == 12) {
			kq[0] = 'D';
			kq[1] = 'e';
			kq[2] = 'c';
		}
		kq[3] = ' ';
		kq[4] = ngay / 10 + '0';
		kq[5] = ngay % 10 + '0';
		kq[6] = ',';
		kq[7] = ' ';
		kq[8] = nam / 1000 + '0';
		nam = nam - (1000 * (nam / 1000));
		kq[9] = nam / 100 + '0';
		nam = nam - (100 * (nam / 100));
		kq[10] = nam % 10 + '0';
		nam = nam - (10 * (nam / 10));
		kq[11] = nam % 10 + '0';
		kq[12] = '\0';
	}

	if (Type == 'C') {
		kq = new char[2 + 1 + 3 + 1 + 1 + 4];

		kq[0] = ngay / 10 + '0';
		kq[1] = ngay % 10 + '0';
		kq[2] = ' ';

		if (thang == 1) {
			kq[3] = 'J';
			kq[4] = 'a';
			kq[5] = 'n';
		}
		if (thang == 2) {
			kq[3] = 'F';
			kq[4] = 'e';
			kq[5] = 'b';
		}
		if (thang == 3) {
			kq[3] = 'M';
			kq[4] = 'a';
			kq[5] = 'r';
		}
		if (thang == 4) {
			kq[3] = 'A';
			kq[4] = 'p';
			kq[5] = 'r';
		}
		if (thang == 5) {
			kq[3] = 'M';
			kq[4] = 'a';
			kq[5] = 'y';
		}
		if (thang == 6) {
			kq[3] = 'J';
			kq[4] = 'u';
			kq[5] = 'n';
		}
		if (thang == 7) {
			kq[3] = 'J';
			kq[4] = 'u';
			kq[5] = 'l';
		}
		if (thang == 8) {
			kq[3] = 'A';
			kq[4] = 'u';
			kq[5] = 'g';
		}
		if (thang == 9) {
			kq[3] = 'S';
			kq[4] = 'e';
			kq[5] = 'p';
		}
		if (thang == 10) {
			kq[3] = 'O';
			kq[4] = 'c';
			kq[5] = 't';
		}
		if (thang == 11) {
			kq[3] = 'N';
			kq[4] = 'o';
			kq[5] = 'v';
		}
		if (thang == 12) {
			kq[3] = 'D';
			kq[4] = 'e';
			kq[5] = 'c';
		}
		kq[6] = ',';
		kq[7] = ' ';
		kq[8] = nam / 1000 + '0';
		nam = nam - (1000 * (nam / 1000));
		kq[9] = nam / 100 + '0';
		nam = nam - (100 * (nam / 100));
		kq[10] = nam % 10 + '0';
		nam = nam - (10 * (nam / 10));
		kq[11] = nam % 10 + '0';
		kq[12] = '\0';
	}

	return kq;
}
int main()
{
	char *Time = new char[10];
	int day, month, year1;
	cout << "nhap ngay thang nam:";
	cin >> day >> month >> year1;
	date(day, month, year1, Time);
	char *_Time = Convert(Time, 'A');
	for (int i = 0; i < 12; i++) {
		cout << _Time[i];
	}
	cout << "--------------------------" << endl;
	cout << "ngay: " << Day(_Time);
	system("pause");
	return 0;

}