fn main() {
    let a = read::<String>().chars().collect::<Vec<_>>();
    let s = read::<String>();
    for ch in s.chars() {
        if let Some(x) = ch.to_digit(10) {
            print!("{}", a[x as usize]);
        } else {
            print!("{}", ch);
        }
    }
    println!("");
}

fn read<T: std::str::FromStr>() -> T {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim().parse().ok().unwrap()
}