#include<stdio.h>
#include<math.h>


int main(argc,argv)
int argc;
char* argv[];
{
 int n;
 unsigned long long i,counter;
 if (argc==1)
 {
  printf("\nUsage: temp -n\n n:The range of elements to consider\n");
  exit(0);
 }
 n=atoi(argv[1]);
 if ((n / 8) >= (sizeof(counter)))
 {
  printf("\nUsage: n must not exceed %d on your machine.\n", sizeof(counter) * 8 - 1);
  return;
 }
 counter=pow(2,n);
 for(i=0;i<=counter;i++);
 return 0;
}