/* A Script to do the Calculations
 * by CSS
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char *argv[])
{
  if (argc != 2) {
    (void) fprintf(stderr, "Usage: %s address\n", argv[0]);
    exit(-1);
  }

  {
    char *cptr = strtok(argv[1], ".");
    int shift = 24;
    unsigned long acc = 0L;
    while (cptr != NULL) {
      acc += atol(cptr) << shift;
      shift -= 8;
      cptr = strtok(NULL, ".");
    }

    (void) printf("%lu\n", acc);
  }
  return (0);
}