/*Determines the day of the week a certain date is*/
#include<iostream.h>
#include<conio.h>
#include<apstring.cpp>

int main()
{
	clrscr();
	int month, day, year, total=0;
	apstring dayweek;
	cout<<"Enter the number of the month you were born:";
	cin>>month;
	cout<<"Enter the day (number) you were born:";
	cin>>day;
	cout<<"Enter the year you were born (last two digits only):";
	cin>>year;
	total=year/4;
	total+=year;
	total+=day;
	if (month==1 || month==10)
		total+=1;
	else if (month==2 || month==3 || month==11)
		total+=4;
	else if (month==5)
		total+=2;
	else if (month ==12 || month==9)
		total+=6;
	else if (month==6)
		total+=5;
	else if (month==8)
		total+=3;
	if (year%4==0 && (month==1 || month==2))
		total--;
	total=total%7;
	if (total==1)
		dayweek="Sunday";
	if (total==2)
		dayweek="Monday";
	if (total==3)
		dayweek="Tuesday";
	if (total==4)
		dayweek="Wednesday";
	if (total==5)
		dayweek="Thursday";
	if (total==6)
		dayweek="Friday";
	if (total==0)
		dayweek="Saturday";
	cout<<"You were born on "<<dayweek<<", "<<day<<"/"<<month<<"/"<<year<<".";
	getch();
	return 0;
}