starry, 267 bytes

Result

WA

Code [DL]

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

Disassembly

[[:push, 0],
 [:num_in],
 [:label, 1],
 [:dup],
 [:push, 10],
 [:%],
 [:push, 1],
 [:+],
 [:push, 1],
 [:swap],
 [:label, 3],
 [:swap],
 [:push, 4],
 [:dup],
 [:*],
 [:push, 0],
 [:+],
 [:*],
 [:swap],
 [:push, 1],
 [:-],
 [:dup],
 [:jump, 3],
 [:+],
 [:rotate],
 [:rotate],
 [:+],
 [:swap],
 [:push, 10],
 [:/],
 [:dup],
 [:jump, 1],
 [:swap],
 [:push, 4],
 [:dup],
 [:*],
 [:push, 0],
 [:+],
 [:/],
 [:label, 0],
 [:dup],
 [:rotate],
 [:push, 4],
 [:dup],
 [:*],
 [:push, 0],
 [:+],
 [:%],
 [:label, 2],
 [:push, 1],
 [:-],
 [:swap],
 [:dup],
 [:num_out],
 [:swap],
 [:dup],
 [:jump, 2],
 [:+],
 [:push, 1],
 [:+],
 [:swap],
 [:push, 4],
 [:dup],
 [:*],
 [:push, 0],
 [:+],
 [:/],
 [:dup],
 [:jump, 0]]

stdin

7767935471107346544156188625724360627356915268792064400333487966533726274107317732515278078393207129

stdout

0000000011111111122222222222333333333333344444444455555555566666666666678888888999999

stderr

strace