#include <bits/stdc++.h>
using namespace std;
using ll = long long;

struct Data {
    int v;
    int use;
    Data* prev;
};

int main() {
    int N, M;
    cin >> N >> M;

    vector<int> e(N), v(M), w(M);
    for (int i = 0; i < N; i++) cin >> e[i];
    for (int i = 0; i < M; i++) cin >> v[i] >> w[i];

    vector<int> sum_v(1<<M); vector<ll> sum_w(1<<M);
    for (int S = 0; S < (1<<M); S++) {
        for (int i = 0; i < M; i++) {
            if (S>>i & 1) {
                sum_v[S] += v[i];
                sum_w[S] += w[i];
            }
        }
    }

    vector<Data*> now(1<<M);
    now[0] = new Data{0, 0, nullptr};
    for (int i = 0; i < N; i++) {
        vector<Data*> next(1<<M);
        for (int S = 0; S < (1<<M); S++) {
            if (!now[S]) continue;
            int U = (1<<M)-1-S;
            for (int T = U; T > 0; T = (T-1)&U) {
                if (sum_w[T] > e[i]) continue;
                if (!next[S|T] || now[S]->v+sum_w[T] > next[S|T]->v) {
                    next[S|T] = new Data{now[S]->v+sum_v[T], T, now[S]};
                }
            }
            next[S] = new Data{now[S]->v, 0, now[S]};
        }
        now = next;
    }

    ll m = 0;
    for (int S = 0; S < (1<<M); S++) {
        if (now[S] && now[S]->v > m) m = now[S]->v;
    }
    int S = 0;
    for (int i = 0; i < (1<<M); i++) {
        if (now[i] && now[i]->v == m) {
            S = i;
            break;
        }
    }

    vector<vector<int>> ans(N);
    Data* p = now[S];
    while (p) {
        for (int i = 0; i < M; i++) {
            if (p->use>>i & 1) ans[N-1].push_back(i+1);
        }
        p = p->prev;
        N--;
    }

    cout << m << endl;
    for (int i = 0; i < ans.size(); i++) {
        cout << ans[i].size();
        for (int j = 0; j < ans[i].size(); j++) cout << " " << ans[i][j];
        cout << endl;
    }
}