#[allow(unused_imports)]
use proconio::{
    input,
    marker::{Bytes, Chars, Usize1},
};
fn main() {
    input! {
        n: usize,
        s: usize
    }
    let res = if 25 <= s && s <= 29 * n { "Yes" } else { "No" };
    println!("{}", res);
}