Leap_year_program.cpp

* Leap year concept : year is divided by 4 but not divided by 100.If is divided by both,then it must divided by 400 .

#include <iostream>

using namespace std;

int main(){
    int year;
    cin>>year;
    if( (year % 4 == 0  && year % 100 != 0) || (year%100 == 0 && year % 400 == 0)  ){
        cout << year<<" is a leap year";
    }else
    cout <<year<<" not a year year"<<endl;

}