#include <stdio.h>
#include <strings.h>

main(ac,av)
int ac;
char *av[];
{
  FILE * fp;
  char line[1000];

  fprintf(stdout, "Hello world\n");
  fp = fopen(av[1],"r");

  while (fscanf(fp,"%s",line) ) {
	fprintf(stdout,"%s");
  }

}