A C programme to check leap year

#include
void main()
{
int Year;
printf("Enter a Year :n");
scanf("%d",&Year);
if ( Year%4==0 && Year%100 != 0 || Year%400==0)   
               // here we use 400 because 
              // A senturey year is a leap year if it 
             //devide by 400
    printf("yes it is leap Year.");
else
    printf("No it is Not an leap Year.");
}

OUTPUT : 1.

Enter a Year :
2004
yes it is leap Year.

2.

Enter a Year :
1700
No it is Not an leap Year.

if you dont know what is a leap year thanclick here