// Octal "assembler".  See also osma.s.
#include <stdio.h>

// version with globals, 108 bytes:
 /* 8048350:	55                   	push   %ebp */
 /* 8048351:	89 e5                	mov    %esp,%ebp */
 /* 8048353:	83 e4 f0             	and    $0xfffffff0,%esp */
 /* 8048356:	83 ec 10             	sub    $0x10,%esp */
 /* 8048359:	e8 b2 ff ff ff       	call   8048310 <getchar@plt> */
 /* 804835e:	83 f8 ff             	cmp    $0xffffffff,%eax */
 /* 8048361:	a3 30 a0 04 08       	mov    %eax,0x804a030 */
 /* 8048366:	74 51                	je     80483b9 <main+0x69> */
 /* 8048368:	83 e8 30             	sub    $0x30,%eax */
 /* 804836b:	83 f8 07             	cmp    $0x7,%eax */
 /* 804836e:	77 1d                	ja     804838d <main+0x3d> */
 /* 8048370:	8b 0d 2c a0 04 08    	mov    0x804a02c,%ecx */
 /* 8048376:	ff 05 28 a0 04 08    	incl   0x804a028 */
 /* 804837c:	8d 14 cd 00 00 00 00 	lea    0x0(,%ecx,8),%edx */
 /* 8048383:	09 c2                	or     %eax,%edx */
 /* 8048385:	89 15 2c a0 04 08    	mov    %edx,0x804a02c */
 /* 804838b:	eb cc                	jmp    8048359 <main+0x9> */
 /* 804838d:	83 3d 28 a0 04 08 00 	cmpl   $0x0,0x804a028 */
 /* 8048394:	74 c3                	je     8048359 <main+0x9> */
 /* 8048396:	a1 2c a0 04 08       	mov    0x804a02c,%eax */
 /* 804839b:	89 04 24             	mov    %eax,(%esp) */
 /* 804839e:	e8 9d ff ff ff       	call   8048340 <putchar@plt> */
 /* 80483a3:	c7 05 28 a0 04 08 00 	movl   $0x0,0x804a028 */
 /* 80483aa:	00 00 00  */
 /* 80483ad:	c7 05 2c a0 04 08 00 	movl   $0x0,0x804a02c */
 /* 80483b4:	00 00 00  */
 /* 80483b7:	eb a0                	jmp    8048359 <main+0x9> */
 /* 80483b9:	31 c0                	xor    %eax,%eax */
 /* 80483bb:	c9                   	leave   */
 /* 80483bc:	c3                   	ret     */

// version with locals, one more instruction but only 63 bytes:
 /* 8048350:	55                   	push   %ebp */
 /* 8048351:	89 e5                	mov    %esp,%ebp */
 /* 8048353:	56                   	push   %esi */
 /* 8048354:	53                   	push   %ebx */
 /* 8048355:	83 e4 f0             	and    $0xfffffff0,%esp */
 /* 8048358:	83 ec 10             	sub    $0x10,%esp */
 /* 804835b:	31 f6                	xor    %esi,%esi */
 /* 804835d:	31 db                	xor    %ebx,%ebx */
 /* 804835f:	e8 ac ff ff ff       	call   8048310 <getchar@plt> */
 /* 8048364:	83 f8 ff             	cmp    $0xffffffff,%eax */
 /* 8048367:	74 1e                	je     8048387 <main+0x37> */
 /* 8048369:	83 e8 30             	sub    $0x30,%eax */
 /* 804836c:	83 f8 07             	cmp    $0x7,%eax */
 /* 804836f:	77 08                	ja     8048379 <main+0x29> */
 /* 8048371:	c1 e3 03             	shl    $0x3,%ebx */
 /* 8048374:	46                   	inc    %esi */
 /* 8048375:	09 c3                	or     %eax,%ebx */
 /* 8048377:	eb e6                	jmp    804835f <main+0xf> */
 /* 8048379:	85 f6                	test   %esi,%esi */
 /* 804837b:	74 e2                	je     804835f <main+0xf> */
 /* 804837d:	89 1c 24             	mov    %ebx,(%esp) */
 /* 8048380:	e8 bb ff ff ff       	call   8048340 <putchar@plt> */
 /* 8048385:	eb d4                	jmp    804835b <main+0xb> */
 /* 8048387:	8d 65 f8             	lea    -0x8(%ebp),%esp */
 /* 804838a:	31 c0                	xor    %eax,%eax */
 /* 804838c:	5b                   	pop    %ebx */
 /* 804838d:	5e                   	pop    %esi */
 /* 804838e:	5d                   	pop    %ebp */
 /* 804838f:	c3                   	ret     */

int main() {
    int b = 0, c, d = 0;
    while ((c = getchar()) != EOF) {
        if ('0' <= c && c <= '7') d++, b = (b << 3) | (c - '0');
        else if (d) putchar(b), b = d = 0;
    }
    return 0;
}