#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, s, t) for (ll i = s; i < (ll)(t); i++)

template<typename T>
bool chmin(T &x, T y) { return x > y ? (x = y, true) : false; }
template<typename T>
bool chmax(T &x, T y) { return x < y ? (x = y, true) : false; }

struct io_setup {
	io_setup() {
		ios::sync_with_stdio(false);
		std::cin.tie(nullptr);
		cout << fixed << setprecision(15);
	}
} io_setup;

int main(){
	int n,m;
	cin>>n>>m;
	vector<int> e(n);
	rep(i,0,n) cin>>e.at(i);
	vector<pair<int,int>> vw(m);
	for(auto&[v,w]:vw) cin>>v>>w;
	ll mx=0;
	vector<vector<int>> ans(n);
	rep(bit,1,(1<<m)){
		ll tmp=0;
		rep(i,0,m) if((bit>>i)&1) tmp+=vw.at(i).first;
		if(tmp<mx) continue;
		vector<pair<int,int>> nw;
		rep(i,0,m) if((bit>>i)&1) nw.push_back({vw.at(i).second,i});
		sort(nw.begin(),nw.end());
		auto ce=e;
		vector<vector<int>> nans(n);
		int flg=0;
		while(!nw.empty()){
			auto[x,i]=nw.back();
			nw.pop_back();
			int j=-1,d=1e9;
			rep(k,0,n) if(ce.at(k)>=x){
				if(chmin(d,ce.at(k)-x)) j=k;
			}
			if(j==-1){
				flg=1;
				break;
			}
			ce.at(j)-=x;
			nans.at(j).push_back(i);
		}
		if(!flg) swap(ans,nans),mx=tmp;
	}
	cout<<mx<<"\n";
	rep(i,0,n){
		cout<<ans.at(i).size()<<" ";
		for(auto x:ans.at(i)) cout<<x+1<<" ";
		cout<<"\n";
	}
}