// ---------- begin input macro ----------
// reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
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_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_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 ----------

fn run() {
    input! {
        n: usize,
        c: [u8; 9],
    }
    let c = [0, c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7], c[8]];
    let mut dp = vec![(0, c)];
    let mut mul = 1usize;
    for i in 0..n {
        let mut next = vec![];
        for (val, c) in dp {
            for (j, &a) in c.iter().enumerate() {
                if a > 0 && (j * mul + val) & ((1 << (i + 1)) - 1) == 0 {
                    let mut c = c;
                    c[j] -= 1;
                    next.push((j * mul + val, c));
                }
            }
        }
        mul *= 10;
        dp = next;
        dp.sort();
        dp.dedup();
        if dp.is_empty() {
            println!("{}", i);
            return;
        }
    }
    let ans = dp.iter().map(|p| p.0.trailing_zeros()).max().unwrap();
    println!("{}", ans);
}

fn main() {
    run();
}