use std::io::*;
use std::str::FromStr;

#[allow(dead_code)]
fn get_line() -> String {
    let stdin = stdin();
    let mut line = String::new();
    stdin.lock().read_line(&mut line).expect("io error.");
    line.trim().to_string()
}

#[allow(dead_code)]
fn get_word<T: FromStr>() -> T {
    (&get_line()).parse().ok().expect("parse error.")
}

#[allow(dead_code)]
fn get_vec<T: FromStr>() -> Vec<T> {
    (&get_line()).split(' ').map(|x| x.parse().ok().expect("parse error.")).collect()
}

fn main() {
    let v = get_vec::<i64>();
    let mut m = v[1];
    let mut vc = get_vec::<i64>();

    vc.sort();
    let mut ans = 0;
    for c in vc {
        m -= c;
        if m < 0 {
            break;
        }
        ans += 1;
    }

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