rail, 102 bytes

Result

WA

Code [DL]

$ 'nlis'
 \             /-#(n)1s{nlis}0.#
  \-(!n!)(n)0q<
               \-#

$ 'main'
 \
  \-6{nlis}#

stdin

1247024681106688356168841201045455101717229798810047606007688908262918409873860613204583011245562172

stdout

stderr

strace