/* File: leapyear.c
   Determine if a year input from the terminal is a leap year */
#include <stdio.h>
 
int main() {
    int year;   /* year (input from the user) */
 
    /* prompt the user for input */
    printf("Please input a year\n");
    scanf("%d", &year);

    /* determine if the year is a leap year or not, and display the output */
    if(year%4 == 0 && year%100 != 0 || year%400 == 0)
       printf("%d is a leap year.\n", year);
    else
       printf("%d is not a leap year.\n", year);
    return 0;
}