/*
namespace: Compile
expectation: Fail
input_file:
 - inputs/ascii.in
 - inputs/escaped_unicode1.in
 - inputs/escaped_unicode2.in
 - inputs/escaped_unicode3.in
 - inputs/escaped_unicode4.in
 - inputs/escaped_unicode5.in
 - inputs/escaped_unicode6.in
 - inputs/escaped.in
 - inputs/hex1.in
 - inputs/hex2.in
 - inputs/unicode1.in
 - inputs/unicode2.in
 - inputs/unicode3.in
 - inputs/unicode4.in
 - inputs/unicode5.in
*/

function main(character: char) -> char {
    return character != 'a' ? 'a' : 'Z';
}