starry, 354 bytes

Result

AC

Code [DL]

     +               + +  *     +* `  + ,           + +  *                 +* *      +  +      +'   `  +               + +  *     +*  *  +      + *` +   '    +*  +      + * + '    +     +  `  + +               + +  *     +*    *      +     '    `   +   + +.   +      + *     ` +    '    +               + +  *     +*   *  +      +* +               + *  '

Disassembly

[[:push, 0],
 [:push, 10],
 [:dup],
 [:*],
 [:push, 0],
 [:+],
 [:label, 1],
 [:swap],
 [:char_in],
 [:push, 6],
 [:dup],
 [:*],
 [:push, 12],
 [:+],
 [:-],
 [:push, 1],
 [:swap],
 [:push, 1],
 [:jump, 0],
 [:label, 3],
 [:swap],
 [:push, 10],
 [:dup],
 [:*],
 [:push, 0],
 [:+],
 [:*],
 [:swap],
 [:push, 1],
 [:-],
 [:label, 0],
 [:dup],
 [:jump, 3],
 [:pop],
 [:+],
 [:swap],
 [:push, 1],
 [:-],
 [:dup],
 [:jump, 1],
 [:pop],
 [:push, 0],
 [:label, 2],
 [:swap],
 [:dup],
 [:push, 10],
 [:dup],
 [:*],
 [:push, 0],
 [:+],
 [:%],
 [:push, 1],
 [:jump, 5],
 [:label, 4],
 [:rotate],
 [:rotate],
 [:dup],
 [:num_out],
 [:rotate],
 [:push, 1],
 [:-],
 [:label, 5],
 [:dup],
 [:jump, 4],
 [:pop],
 [:push, 10],
 [:dup],
 [:*],
 [:push, 0],
 [:+],
 [:/],
 [:swap],
 [:push, 1],
 [:+],
 [:dup],
 [:push, 10],
 [:-],
 [:jump, 2]]

stdin

1500846006954099158031468818126773134862089727969553492524236273682002180216365313712779856947982099

stdout

0000000000011111111112222222222223333333334444444555555556666666666677777777788888888888999999999999

stderr

strace