#include <stdio.h>
#include <stdlib.h>
#include "jalali.h"

int main(int argc, char** argv)
{
    if (argc != 3) {
    printf("wrong arguments given\n");
    printf("elc: leap counter from YEAR1 to YEAR2\n");
    printf("usage: elc YEAR1 YEAR2\n");
    exit(1);
    }

    int i, s = atoi(argv[1]), e = atoi(argv[2]), c = 0;

    if (s > e) {
    /* tricky swap */
    s = s+e;
    e = s-e;
    s = s-e;
    }

    printf("leap years from %d to %d... ", s, e);

    for (i=s; i<=e; i++) {
    if (jalali_is_jleap(i))
        c++;
    }

    printf("%d.\n", c);
    exit(0);
}