fn main() {
    input! {
        n: usize,
        m: usize,
        e: [i32; n],
        p: [(i32, i32); m],
    }
    let mut ord = (0..n).collect::<Vec<_>>();
    ord.sort_by_key(|x| e[*x]);
    let e = ord.iter().map(|x| e[*x]).collect::<Vec<_>>();
    let pos = p
        .iter()
        .map(|p| e.iter().position(|e| *e >= p.1).unwrap_or(n))
        .collect::<Vec<_>>();
    let mut dp = vec![(n, 0); 1 << m];
    dp[0] = (0, 0);
    let mut ans = (0, 0);
    for i in 0..(1 << m) {
        let v = dp[i];
        if v.0 == n {
            continue;
        }
        let mut sum = 0;
        for (j, (p, &pos)) in p.iter().zip(pos.iter()).enumerate() {
            if i >> j & 1 == 1 {
                sum += p.0;
            } else if v.1 + p.1 <= e[v.0] {
                dp[i | (1 << j)].chmin((v.0, v.1 + p.1));
            } else {
                let k = (v.0 + 1).max(pos);
                if k < n {
                    dp[i | (1 << j)].chmin((k, p.1));
                }
            }
        }
        ans.chmax((sum, i));
    }
    let mut list = vec![vec![]; n];
    while ans.1 > 0 {
        let now = dp[ans.1];
        for (j, &p) in p.iter().enumerate() {
            if ans.1 >> j & 1 == 0 {
                continue;
            }
            let pre = dp[ans.1 ^ (1 << j)];
            if now.1 >= p.1 && (pre.0, pre.1 + p.1) <= now {
                list[now.0].push(j);
                ans.1 ^= 1 << j;
                break;
            }
        }
    }
    let mut iord = vec![0; n];
    for (i, ord) in ord.iter().enumerate() {
        iord[*ord] = i;
    }
    println!("{}", ans.0);
    for (i, &k) in iord.iter().enumerate() {
        let list = &list[k];
        if list.is_empty() {
            println!("0");
        } else {
            let s = list.iter().map(|x| p[*x].1).sum::<i32>();
            assert!(s <= e[k]);
            use util::*;
            println!("{} {}", list.len(), list.iter().map(|v| *v + 1).join(" "));
        }
    }
}

// ---------- 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 ----------
mod util {
    pub trait Join {
        fn join(self, sep: &str) -> String;
    }

    impl<T, I> Join for I
    where
        I: Iterator<Item = T>,
        T: std::fmt::Display,
    {
        fn join(self, sep: &str) -> String {
            let mut s = String::new();
            use std::fmt::*;
            for (i, v) in self.enumerate() {
                if i > 0 {
                    write!(&mut s, "{}", sep).ok();
                }
                write!(&mut s, "{}", v).ok();
            }
            s
        }
    }
}