#include <stdio.h>
#include <cstdlib>
#include <iostream>
#define N 600010
using namespace std;

int p,i,x,y,aux;
int A[N],R[N];
int VIZ[N];
int s;

FILE *f,*g;

void generate_random()
{
    for (i=1;i<=p;++i)
    {
        x=rand()%p+1;
        while (VIZ[x]==1)
            x=rand()%p+1;
        VIZ[x]=1;
        R[i]=x;
    }
}

int main()
{
    f=fopen("congr.in","r");
    g=fopen("congr.out","w");

    fscanf(f,"%d",&p);
    for (i=1;i<=2*p-1;++i)
        fscanf(f,"%d",&A[i]);
    generate_random();
    s=0;
    for (i=1;i<=p;++i)
        s+=A[R[i]];
    while (s%p!=0)
    {
        x=rand()%p+1;
        y=rand()%(p-1)+p+1;

        s=s+(A[y]-A[x]);

        aux=R[x];
        R[x]=R[y];
        R[y]=aux;



    }
    for (i=1;i<=p;++i)
        fprintf(g,"%d ",R[i]);

    fclose(f);
    fclose(g);
    return 0;
}