#include <fstream>
#include <algorithm>

const int N = 20;

struct Task {
    int s, p, idx;

    bool operator< (const Task &t) const {
        return p > t.p || p == t.p && s > t.s;
    }

} tasks[N];

int n;

void input() {
    std::ifstream fin("input.txt");
    fin >> n;
    for (int i = 0; i < n; ++i) {
        fin >> tasks[i].s >> tasks[i].p;
        tasks[i].idx = i + 1;
    }
}

int check_order() {
    int serv = 0, proc1 = 0, proc2 = 0;
    for (size_t i = 0; i < n; ++i) {
        serv = std::max(serv, proc1) + tasks[i].s;
        proc1 = serv + tasks[i].p;
        if (proc1 > proc2) {
            std::swap(proc1, proc2);
        }
    }
    return proc2;
}

void solve() {
    std::ofstream fout("output.txt");
    std::sort(tasks, tasks + n);
    fout << check_order() << std::endl;
    for (size_t i = 0; i < n; ++i) {
        fout << tasks[i].idx << " ";
    }
}

int main() {
    input();
    solve();
    return 0;
}