main(cnt,arg)
int cnt; char * arg[];
{	
	int i,n; 
	char buf[8192];

	i=atoi(arg[1]);
	for (i=0; i < n; i++) {
		if (read(0, &buf[i], 1) != 1) {
			printf("incomplete read\n");
			exit(1);
		}
	}
	buf[i]=0;
	printf("%s\n",buf);
	exit(0);
}