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

    let mut ind = 0_usize;
    'outer: loop {
        if hv[ind] <= x && a > 0 {
            hv[ind] -= x;
            a -= 1;
            ind += 1;
            if ind == n {
                break 'outer;
            }
        } else if b > 0 {
            let mut p = y;
            loop {
                if hv[ind] >= p {
                    hv[ind] -= p;
                    break;
                } else {
                    p -= hv[ind];
                    hv[ind] = 0;
                    ind += 1;
                    if ind == n {
                        break 'outer;
                    }
                }
            }
            b -= 1;
        } else if a > 0 {
            hv[ind] -= x;
            a -= 1;
            if hv[ind] <= 0 {
                hv[ind] = 0;
                ind += 1;
                if ind == n {
                    break 'outer;
                }
            }
        }

        if a == 0 && b == 0 {
            break;
        }
    }
    println!("{}", if hv[n - 1] <= 0 { "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()
}