#include <iostream>
#include <vector>
#include <fstream>
#include <ctime>
#include <stdlib.h>
#include <algorithm>
using namespace std;
vector<int> v, sol;

int main()
{
    freopen("congr.in", "rt", stdin);
    freopen("congr.out", "wt", stdout);
    int N, i1, i2;
    long long sum = 0;
    scanf("%d", &N);
    srand(time(NULL));
    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 - 1) ) + N + 1;
        sum += v[ sol[i2] ] - v[ sol[i1] ];
        swap(sol[i1], sol[i2]);
        //swap(v[i1], v[i2]);
    }
    for(int i = 1; i <= N; ++i)
        cout << sol[i] << ' ';
    cout << '\n' ;
    return 0;
}