use proconio::input;
fn main() {
    input! {
        n: usize,
        a: usize,
        h: usize,
        m: usize,
        s: usize,
    }
    let t1 = a * n;
    let t2 = 3600 * (24 - h) - m * 60 - s;
    println!("{}", if t1 >= t2 {"Yes"} else {"No"});
}