fn main() {
    proconio::input! {
        l: u64,
        n: u64,
        mut w: [u64; n],
    }
    w.sort_unstable();
    let mut sum = 0;
    let mut ans = 0;
    for w in w {
        if w + sum <= l {
            sum += w;
            ans += 1;
        }
    }
    println!("{ans}");
}

fn proc(a: u64, b: u64) -> u64 {
    b.div_ceil(a)
}

#[cfg(test)]
mod test {
    use super::*;
    #[test]
    fn test() {
        assert_eq!(proc(2, 5), 3);
    }
}