fn main() {
    input! {
        a: i32,
        b: i32,
        c: i32,
    }
    let f = |a: f64, b: f64, c: f64| -> f64 {
        let nu = a.powi(2) + b.powi(2) - c.powi(2);
        let de = 2.0 * a * b;
        (nu / de).acos()
    };
    let g = |a: f64, b: f64, x: f64| -> f64 {
        let c = (a.powi(2) + b.powi(2) - 2.0 * a * b * x.cos()).sqrt();
        f(a, c, b)
    };
    let mut ans = std::f64::MAX;
    for len in ((b - c).abs() + 1)..(b + c) {
        let x = f(b as f64, len as f64, c as f64);
        let y = f(c as f64, len as f64, b as f64);
        for p in 1..(len - a) {
            let z = g(b as f64, p as f64, x);
            let w = g(c as f64, (len - a - p) as f64, y);
            ans = (z - w).abs().min(ans);
        }
    }
    if ans < 1e-9 {
        println!("Yes");
    } else {
        println!("No");
    }
}

// ---------- begin input macro ----------
// reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
#[macro_export]
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
    ($($r:tt)*) => {
        let s = {
            use std::io::Read;
            let mut s = String::new();
            std::io::stdin().read_to_string(&mut s).unwrap();
            s
        };
        let mut iter = s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
}

#[macro_export]
macro_rules! input_inner {
    ($iter:expr) => {};
    ($iter:expr, ) => {};
    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($iter, $t);
        input_inner!{$iter $($r)*}
    };
}

#[macro_export]
macro_rules! read_value {
    ($iter:expr, ( $($t:tt),* )) => {
        ( $(read_value!($iter, $t)),* )
    };
    ($iter:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()
    };
    ($iter:expr, chars) => {
        read_value!($iter, String).chars().collect::<Vec<char>>()
    };
    ($iter:expr, bytes) => {
        read_value!($iter, String).bytes().collect::<Vec<u8>>()
    };
    ($iter:expr, usize1) => {
        read_value!($iter, usize) - 1
    };
    ($iter:expr, $t:ty) => {
        $iter.next().unwrap().parse::<$t>().expect("Parse error")
    };
}
// ---------- end input macro ----------