rail, 138 bytes

Result

WA

Code [DL]

$ 'j'      #(c){j}(x)-@
 --(!x!)(!c!)(c)(x)g<
              #(x)(c)-@
$ 'main'@
 |@      \-uo--
 9 \{j}-  \    >#
 1  i   >-u-1q/
 \-a--e/

stdin

4413689721764686119568779100813838052935314334668169969306862218620372929489653031572358527418355912

stdout

stderr

Crash: Stack underflow

strace