#[allow(unused_macros)]
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        let mut next = || { iter.next().unwrap() };
        input_inner!{next, $($r)*}
    };
    ($($r:tt)*) => {
        let stdin = std::io::stdin();
        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
        let mut next = move || -> String{
            bytes
                .by_ref()
                .map(|r|r.unwrap() as char)
                .skip_while(|c|c.is_whitespace())
                .take_while(|c|!c.is_whitespace())
                .collect()
        };
        input_inner!{next, $($r)*}
    };
}

#[allow(unused_macros)]
macro_rules! input_inner {
    ($next:expr) => {};
    ($next:expr, ) => {};

    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($next, $t);
        input_inner!{$next $($r)*}
    };

    ($next:expr, mut $var:ident : $t:tt $($r:tt)*) => {
        let mut $var = read_value!($next, $t);
        input_inner!{$next $($r)*}
    };
}

#[allow(unused_macros)]
macro_rules! read_value {
    ($next:expr, ( $($t:tt),* )) => {
        ( $(read_value!($next, $t)),* )
    };

    ($next:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
    };

    ($next:expr, chars) => {
        read_value!($next, String).chars().collect::<Vec<char>>()
    };

    ($next:expr, bytes) => {
        read_value!($next, String).into_bytes()
    };

    ($next:expr, usize1) => {
        read_value!($next, usize) - 1
    };

    ($next:expr, $t:ty) => {
        $next().parse::<$t>().expect("Parse error")
    };
}

fn dfs(
    n: usize,
    a: i64,
    b: i64,
    c: i64,
    ls: &[i64],
    i: usize,
    curr_a: i64,
    curr_b: i64,
    curr_c: i64,
) -> i64 {
    if i == n {
        if curr_a == 0 || curr_b == 0 || curr_c == 0 {
            const MAX_COST: i64 = i64::max_value() / 2;
            return MAX_COST;
        }
        const COST_FIRST_ADD: i64 = -30;
        return (a - curr_a).abs() as i64
            + (b - curr_b).abs() as i64
            + (c - curr_c).abs() as i64
            + COST_FIRST_ADD;
    }
    let arr = [
        dfs(n, a, b, c, ls, i + 1, curr_a, curr_b, curr_c),
        dfs(n, a, b, c, ls, i + 1, curr_a + ls[i], curr_b, curr_c) + 10,
        dfs(n, a, b, c, ls, i + 1, curr_a, curr_b + ls[i], curr_c) + 10,
        dfs(n, a, b, c, ls, i + 1, curr_a, curr_b, curr_c + ls[i]) + 10,
    ];
    *arr.iter().min().unwrap()
}

fn main() {
    input! {
        n: usize,
        a: i64,
        b: i64,
        c: i64,
        ls: [i64; n],
    }
    println!("{}", dfs(n, a, b, c, &ls, 0, 0, 0, 0));
}
