#include <iostream>
#include <vector>
#include <fstream>
using namespace std;
vector<int> v, sol;

int main()
{
    freopen("congr.in", "rt", stdin);
    freopen("congr.out", "wt", stdout);
    int N, i1, i2, aux;
    long long sum = 0;
    scanf("%d", &N);
    v.assign(2 * N + 1, 0);
    sol.assign(2 * N + 1, 0);
    for(int i = 1; i < 2 * N; ++i) {
        scanf("%d", &v[i]);
        sol[i] = i;
        if(i <= N)
            sum += v[i];
    }

    while( sum % N ) {
        i1 = (rand() % N ) + 1;
        i2 = ( rand() % N ) + N;
        if(i1 != i2) {
            sum -= v[ sol[i1] ];
            aux = sol[i1];
            sol[i1] = sol[i2];
            sol[i2] = aux;
            sum += v[ sol[i1] ];
        }
    }
    for(int i = 1; i <= N; ++i)
        cout << sol[i] << ' ';
    cout << '\n';
    return 0;
}