fn main() {
    let n = input_value();
    let a: Vec<isize> = input_vec();

    let mut total = 0;

    for i in 0..n {
        total += a[i];
    }

    if total % n as isize == 0 {
        println!("Yes");
    } else {
        println!("No");
    }
}

fn input_value<T>() -> T
where
    T: std::str::FromStr,
    <T as std::str::FromStr>::Err: std::fmt::Debug,
{
    let stdin = std::io::stdin();

    let mut buf = String::new();
    stdin.read_line(&mut buf).unwrap();
    buf = buf.trim_end().to_owned();

    let n = buf.parse().unwrap();

    n
}

fn input_vec<T>() -> Vec<T>
where
    T: std::str::FromStr,
    <T as std::str::FromStr>::Err: std::fmt::Debug,
{
    let stdin = std::io::stdin();

    let mut buf = String::new();
    stdin.read_line(&mut buf).unwrap();
    buf = buf.trim_end().to_owned();

    let iter = buf.split_whitespace();

    let line = iter.map(|x| x.parse().unwrap()).collect();

    line
}