fn main() {
    let mut buf = String::new();
    let mut input = {
        use std::io::Read;
        std::io::stdin().read_to_string(&mut buf).unwrap();
        buf.split_whitespace()
    };

    let n: usize = input.next().unwrap().parse().unwrap();
    let a: usize = input.next().unwrap().parse().unwrap();
    let b: usize = input.next().unwrap().parse().unwrap();
    let x: i64 = input.next().unwrap().parse().unwrap();
    let y: i64 = input.next().unwrap().parse().unwrap();
    let mut h: Vec<i64> = (0..n)
        .map(|_| input.next().unwrap().parse().unwrap())
        .collect();

    for _ in 0..a {
        let i = max_hp_index(&h);
        h[i] -= x;
    }

    for _ in 0..b {
        let mut p = y;
        for i in 0..n {
            if h[i] > 0 {
                if h[i] < p {
                    p -= h[i];
                    h[i] = 0;
                } else {
                    h[i] -= p;
                    p = 0;
                }
            }
            if p == 0 {
                break;
            }
        }
    }

    let output = if h
        .iter()
        .fold(true, |acc, &hp| if hp > 0 { false } else { acc })
    {
        "Yes"
    } else {
        "No"
    };

    println!("{}", output);
}

fn max_hp_index(h: &Vec<i64>) -> usize {
    let mut index = 0;
    let mut hp = h[0];
    for i in 0..h.len() {
        if h[i] > hp {
            index = i;
            hp = h[i];
        }
    }
    index
}