#![allow(unused_imports)]
#![allow(non_snake_case)]
use std::collections::HashMap;
use std::collections::HashSet;
use std::collections::VecDeque;

#[allow(unused_macros)]
macro_rules! read {
    ([$t:ty] ; $n:expr) =>
        ((0..$n).map(|_| read!([$t])).collect::<Vec<_>>());
    ($($t:ty),+ ; $n:expr) =>
        ((0..$n).map(|_| read!($($t),+)).collect::<Vec<_>>());
    ([$t:ty]) =>
        (rl().split_whitespace().map(|w| w.parse().unwrap()).collect::<Vec<$t>>());
    ($t:ty) =>
        (rl().parse::<$t>().unwrap());
    ($($t:ty),*) => {{
        let buf = rl();
        let mut w = buf.split_whitespace();
        ($(w.next().unwrap().parse::<$t>().unwrap()),*)
    }};
}

#[allow(dead_code)]
fn rl() -> String {
    let mut buf = String::new();
    std::io::stdin().read_line(&mut buf).unwrap();
    buf.trim_end().to_owned()
}

fn main() {
    let (l1, l2, l3) = read!(usize, usize, usize);
    let (mut r, mut b, mut y) = read!(usize, usize, usize);
    let (mut d, mut e, mut f) = (2 * (l1 + l2), 2 * (l2 + l3), 2 * (l3 + l1));
    if r > b { std::mem::swap(&mut r, &mut b); }
    if b > y { std::mem::swap(&mut b, &mut y); }
    if r > b { std::mem::swap(&mut r, &mut b); }

    if d < e { std::mem::swap(&mut d, &mut e); }
    if e < f { std::mem::swap(&mut e, &mut f); }
    if d < e { std::mem::swap(&mut d, &mut e); }

    println!("{}", r * d + b * e + y * f);
}