use std::cmp::min;

fn main() {
    let mut l123 = String::new();
    std::io::stdin().read_line(&mut l123).ok();
    let l123: Vec<usize> = l123.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let l1 = 2 * (l123[0] + l123[1]);
    let l2 = 2 * (l123[1] + l123[2]);
    let l3 = 2 * (l123[2] + l123[0]);
    let l: Vec<usize> = vec!{l1,l2,l3};
    let mut rby = String::new();
    std::io::stdin().read_line(&mut rby).ok();
    let rby: Vec<usize> = rby.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let mut result = 1_000_000_000;

    let perms: Vec<(usize, usize, usize)> = vec!{ (0,1,2), (0,2,1), (1,0,2), (1,2,0), (2,0,1), (2,1,0) };
    for i in perms.iter() {
        for j in perms.iter() {
            result = min(result, l[i.0]*rby[j.0] + l[i.1]*rby[j.1] + l[i.2]*rby[j.2]);
        }
    }
    println!("{}", result);
}