use std::collections::{BTreeMap};
use std::io::*;
use std::str::*;

fn read<T: FromStr>(sl: &mut StdinLock) -> Option<T> {
    let s = sl.by_ref().bytes().map(|c| c.unwrap() as char)
        .skip_while(|c| c.is_whitespace())
        .take_while(|c| !c.is_whitespace())
        .collect::<String>();

    s.parse::<T>().ok()
}

fn run(sl: &mut StdinLock) {
    let l = read::<i32>(sl).unwrap();
    let n = read::<i32>(sl).unwrap();

    let mut t = BTreeMap::new();
    for _ in 0..n {
        let w = read::<i32>(sl).unwrap();
        let mut wn = 0;
        {
            let t = &t;
            if let Some(_wn) = t.get(&w) {
                wn = *_wn;
            }
        }
        t.insert(w, wn + 1);
    }

    let mut rl = 0;
    let mut rn = 0;
    for (w, wn) in t.iter() {
        let wl = w * wn;
        if rl + wl > l {
            rn += (l - rl) / w;
            break;
        }
        else {
            rl += wl;
            rn += wn;
        }
    }

    println!("{}", rn);
}

fn main() {
    let s = stdin();
    let mut sl = s.lock();
    run(&mut sl);
}