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


int main(){

    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    ll N,M;
    cin>>N>>M;
    vector<ll> E(N);
    for(int i=0;i<N;i++)cin>>E[i];
    reverse(E.begin(),E.end());
    vector<ll> V(M),W(M);
    for(int i=0;i<M;i++)cin>>V[i]>>W[i];
    vector<ll> SV(1<<M,0),SW(1<<M,0);
    for(int bit=0;bit<(1<<M);bit++){
        for(int i=0;i<M;i++){
            if(bit&(1<<i)){
                SV[bit]+=V[i];
                SW[bit]+=W[i];
            }
        }
    }
    vector<vector<ll>> DP(N+1,vector<ll>(1<<M,-1e18));
    DP[0][0]=0;
    for(int i=0;i<N;i++){
        for(int pit=0;pit<(1<<M);pit++){
            int bit=(1<<M)-1-pit;
            for (ll b = bit; b >= 0; b = (b - 1) & bit) {
                if(SW[b]<=E[i]){
                    DP[i+1][pit+b]=max(DP[i+1][pit+b],DP[i][pit]+SV[b]);
                }
                if (b == 0)break;
            }
        }
    }
    ll an=-1e18,mbit=0;;
    for(int bit=0;bit<(1<<M);bit++){
        if(an<DP[N][bit])mbit=bit;
        an=max(an,DP[N][bit]);
    }
    cout<<an<<endl;
    for(int i=N-1;i>=0;i--){
        for (ll b = mbit; b >= 0; b = (b - 1) & mbit) {
            if(DP[i][b]+SV[mbit-b]==DP[i+1][mbit]&&SW[mbit-b]<=E[i]){
                ll pit=mbit-b;
                cout<<__builtin_popcount(pit);
                for(int j=0;j<M;j++){
                    if(pit&(1<<j))cout<<" "<<j+1;
                }
                cout<<endl;
                mbit=b;
                break;
            }
            if (b == 0)break;
        }
    }
}