001.cpp

//C++ practice
#include<iostream>
#include<exception>
#include<stdexcept>

using namespace std;

int calcDays(int month, int year)
{
int Days;

if (month == 4 || month == 6 || month == 9 || month == 11) Days = 30;

else if (month == 2) {
	bool isLeapYear = (year % 4 == 0 && year % 100 !=0) || (year % 400 == 0);
		if (isLeapyear) Days = 29;
		else Days = 28;

	}
	else Days = 31;

return Days;

}


int main()
{

int Days, month, year;

	cout<<"Enter Month:"endl;
	cin>>month;

	cout<<"Enter year:"endl;
	cin>>year;

	calDays (Days);
	cout<<Days<<" "<<month<<" "<<year<<endl;

return 0;

}