#![feature(ascii_char)]
use std::io::{stdout, Write};

fn main() {
    let main =
"#![feature(ascii_char)]
use std::io::{stdout, Write};

fn main() {
    let main =
?;
    for c in main.chars() {
        if c.as_ascii().unwrap().to_u8() == 63 {
            let mut lock = stdout().lock();
            lock.write(&[34]);
            lock.write(main.as_bytes());
            lock.write(&[34]);
        } else {
            let mut lock = stdout().lock();
            lock.write(&[c.as_ascii().unwrap().to_u8()]);
        }
    }
}";
    for c in main.chars() {
        if c.as_ascii().unwrap().to_u8() == 63 {
            let mut lock = stdout().lock();
            lock.write(&[34]);
            lock.write(main.as_bytes());
            lock.write(&[34]);
        } else {
            let mut lock = stdout().lock();
            lock.write(&[c.as_ascii().unwrap().to_u8()]);
        }
    }
}