python1, 63 bytes

Result

WA

Code [DL]

import sys
line = sys.stdin.readline()
sys.stdout.write(line)

stdin

6612769676057895089857891416130638351986876302665177585557499213237049109808091176782634408028398134

stdout

stderr

/home/esolang/bin/python1: line 3:     6 Segmentation fault      (core dumped) ~/interpreters/python1.0.1 "$@"

strace