#[macro_export]
macro_rules! setup {
    { mut $input:ident: SplitWhitespace $(,)? } => {
        use std::io::Read;
        let mut buf = String::new();
        std::io::stdin().read_to_string(&mut buf).unwrap();
        let mut $input = buf.split_whitespace();
    };
}

#[macro_export]
macro_rules! parse_next {
    ($str_iter:expr) => {
        $str_iter.next().unwrap().parse().unwrap()
    };
}

fn main() {
    setup! { mut input: SplitWhitespace };

    let n: u64 = parse_next!(input);

    let ans = {
        let cbrt = (n as f64).cbrt();

        let i = cbrt.round() as u64;
        match i * i * i == n {
            true => "Yes",
            false => "No",
        }
    };

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