fn main() {
    let v1: Vec<i64> = input_line();
    let (n, mut a, b, x, y) = (v1[0] as usize, v1[1], v1[2], v1[3], v1[4]);
    let mut hv: Vec<i64> = input_line();

    hv.sort();

    let mut idx_defeat = 0_usize;

    let mut b_total = b * y;

    while b > 0 && idx_defeat < n {
        if b_total >= hv[idx_defeat] {
            b_total -= hv[idx_defeat];
            hv[idx_defeat] = 0;
            idx_defeat += 1;
        } else {
            hv[idx_defeat] -= b_total;
            break;
        }
    }
    while a > 0 && idx_defeat < n {
        while hv[idx_defeat] > 0 && a > 0 {
            hv[idx_defeat] -= x;
            a -= 1;
            if hv[idx_defeat] < 0 {
                idx_defeat += 1;
                break;
            }
        }
    }

    println!("{}", if idx_defeat == n { "Yes" } else { "No" });
}

fn input_line<T: std::str::FromStr>() -> Vec<T> {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}