vim, 20 bytes

Result

WA

Code [DL]

stdin|x
print(x[0])

Disassembly

stdin|x<CR><NL>print(x[0])

stdin

1074993467652609261559045117470899776836338588152900383146971588676215052265069711649251207515372063

stdout

1074993467652609261559045117470899776836338588152900383146971588676215052265069711649251207515372063

stderr

strace