fn main() {
    let mut input_a = String::new();
    let _ = std::io::stdin().read_line(&mut input_a);
    let mut input_a = input_a.trim();

    let mut input_b = String::new();
    let _ = std::io::stdin().read_line(&mut input_b);
    let mut input_b = input_b.trim();

    let a: Vec<char> = input_a.chars().collect();
    let b: Vec<char> = input_b.chars().collect();
    let mut result = "YES";
    for x in &a {
        if !b.contains(&x) {
            result = "NO";
            break;
        }
    }
    println!("{}", result);
}