ewce09.azraftaohid.me/L2T1/CSE 278/Lectures/w04/is_leap_year.c

#include <stdio.h>

int main() {
	int year;
	scanf("%d", &year);

	if (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0)) {
		printf("%d is a leap year.", year);
	} else {
		printf("%d is not a leap year.", year);
	}
}