// use itertools::Itertools;
use proconio::input;
use std::cmp::max;

fn main() {
    input! {
        a: [i32; 3],
        b: i32,
    }

    let x = a[2] * 3;
    let y = a.iter().sum::<i32>() + b;
    println!("{}", max(x, y));
}