#include<stdio.h>

main(argc, argv)
int argc;
char *argv[];
{
	unsigned int c, s[20];
	int i = 0, flag =0;
	FILE *fp;

	if ((fp = fopen(argv[1], "rb")) == NULL) {
		printf("error:file not open!\n");
		exit(1);
	} else {
		while (flag != 1) {
			for (i = 0; i < 0x10; i++) {
				s[i] = 0x00;
			}
			i = 0;
			for (i = 0; i < 0x10; i++) {
				c = getc(fp);
				s[i] = c;
				if (c == EOF) {
					flag = 1;
				}
			}

			for (i = 0; i < 0x10; i++) {
				if (s[i] == 0xffffffff) {
					printf("   ");
				} else {
					if (s[i] < 0x10) {
						printf("0");
					}
					printf("%X ", s[i]);
				}
				if (i == 7) {
					printf(" ");
				}
			}
			printf("  ");

			for (i = 0; i < 0x10; i++) {
				if (s[i] == 0xffffffff) {
					printf(" ");
				} else 
if ((s[i] >= 0x00 && s[i] < 0x20) || s[i] >= 0x81) {

					printf(".");
				} else {
					printf("%c", s[i]);
				}
				if (i == 7) {
					printf(" ");
				}
			}
			printf("\n");

			if (flag == 1) {
				printf("\n");
				fclose(fp);
				exit(1);
			}

		}
	}
}