Prog#158: leap year or not

[angala]

/*
leap year or not
Program#158
*/
#include<stdio.h>
main()
{
int i,a;
i=1000;
do
{
a=i%4;
if(!a)
printf("leap year %d",i);
else
printf("not leap year %d",1);
i++;
}while (i<=2000);
}