wap to cheack leap years

#include<stdio.h>
#include<conio.h>
void main()
{int year;
printf("to cheack a leap yaer");
scanf("%d",&year);
if(year%400==0)
printf("is a leap year");
else if (year%100==0)
printf("is not a leap year");
else if (year%4==0)
printf("is aleap year");
else
printf("not aleap year ");
getch();
}