pub mod io {
    pub fn scan<R: std::io::BufRead>(r: &mut R) -> Vec<u8> {
        let mut res = Vec::new();
        loop {
            let buf = match r.fill_buf() {
                Ok(buf) => buf,
                Err(e) if e.kind() == std::io::ErrorKind::Interrupted => continue,
                Err(e) => panic!("{}", e), 
            };
            let (done, used, buf) = match buf.iter().position(u8::is_ascii_whitespace) {
                Some(i) => (i > 0 || res.len() > 0, i + 1, &buf[..i]),
                None => (buf.is_empty(), buf.len(), buf),
            };
            res.extend_from_slice(buf);
            r.consume(used);
            if done { return res; }
        }
    }

    #[macro_export]
    macro_rules! scan {
        ($r:expr, [$t:tt; $n:expr]) => ((0..$n).map(|_| scan!($r, $t)).collect::<Vec<_>>());
        ($r:expr, [$t:tt]) => (scan!($r, [$t; scan!($r, usize)]));
        ($r:expr, ($($t:tt),*)) => (($(scan!($r, $t)),*));
        ($r:expr, Usize1) => (scan!($r, usize) - 1);
        ($r:expr, String) => (String::from_utf8(scan!($r, Bytes)).unwrap());
        ($r:expr, Bytes) => (io::scan($r));
        ($r:expr, $t:ty) => (scan!($r, String).parse::<$t>().unwrap());
    }

    #[macro_export]
    macro_rules! input {
        ($r:expr, $($($v:ident)* : $t:tt),* $(,)?) => {
            $(let $($v)* = scan!($r, $t);)*
        };
    }
}

use std::collections::BinaryHeap;

fn run<R: std::io::BufRead, W: std::io::Write>(reader: &mut R, writer: &mut W) {
    input! {
        reader,
        n: usize, a: u64, b: u64, x: u64, y: u64,
        h: [u64; n],
    }

    let mut heap: BinaryHeap<_> = h.into_iter().collect();
    let mut a = a;
    while let Some(h) = heap.pop() {
        if a == 0 {
            heap.push(h);
            break;
        }
        if h <= x {
            a -= 1;
        } else {
            let c = (h / x).min(a);
            heap.push(h - c * x);
            a -= c;
        }
    }

    if heap.iter().sum::<u64>() <= b * y {
        writeln!(writer, "Yes").ok();
    } else {
        writeln!(writer, "No").ok();
    }
}

fn main() {
    let (stdin, stdout) = (std::io::stdin(), std::io::stdout());
    let ref mut reader = std::io::BufReader::new(stdin.lock());
    let ref mut writer = std::io::BufWriter::new(stdout.lock());
    run(reader, writer);
}