fn main() {
    input! {
        n: usize,
        m: usize,
        w: i32,
        a: [i32; n],
        b: [i32; n],
        c: [i32; m],
        d: [i32; m],
    }
    let mut dp = vec![false; 1 << (n + m)];
    dp[0] = true;
    let mut ans = 0;
    for i in 0..(1 << (n + m)) {
        let v = dp[i];
        if !v {
            continue;
        }
        let mut sum = 0;
        let mut val = 0;
        for j in 0..(n + m) {
            let (a, b) = if j < n {
                (a[j], b[j])
            } else {
                (-c[j - n], -d[j - n])
            };
            if i >> j & 1 == 1 {
                sum += a;
                val += b;
            }
        }
        ans = ans.max(val);
        for j in 0..(n + m) {
            let (a, b) = if j < n {
                (a[j], b[j])
            } else {
                (-c[j - n], -d[j - n])
            };
            if i >> j & 1 == 0 && 0 <= sum + a && sum + a <= w {
                dp[i | (1 << j)] = true;
            }
        }
    }
    println!("{}", ans);
}

// ---------- 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 ----------
// ---------- begin chmin, chmax ----------
pub trait ChangeMinMax {
    fn chmin(&mut self, x: Self) -> bool;
    fn chmax(&mut self, x: Self) -> bool;
}

impl<T: PartialOrd> ChangeMinMax for T {
    fn chmin(&mut self, x: Self) -> bool {
        *self > x && {
            *self = x;
            true
        }
    }
    fn chmax(&mut self, x: Self) -> bool {
        *self < x && {
            *self = x;
            true
        }
    }
}
// ---------- end chmin, chmax ----------