#include<stdio.h> void main() { int y; printf("enter the year:\t"); scanf("%d",&y); if(y%100==0) { if(y%400==0) { printf("%d is leap year"); } else { printf(" %d is not a leap year"); } } else { if(y%4==0) { printf("%d is a leap year"); } else { printf("%d is not a leap year"); } } } OUTPUT: