python1, 25 bytes

Result

WA

Code [DL]

a=raw_input()
print a[0]

stdin

3716464934725271792161058415756605424671523832472106730507542455329519644786265625078624249193423446

stdout

stderr

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

strace