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#include<fstream>
#include<cmath>
#include<algorithm>
#include<vector>
#include<iomanip>
#include<unordered_map>
#define x first
#define y second
#define pb push_back
using namespace std;
ifstream fin("congr.in");
ofstream fout("congr.out");
const int DN=6e5+5;
int n,m,a[DN],sum,p[DN];
int main()
{
fin>>n;
m=n;
n=2*n-1;
for(int i=1;i<=n;i++)
{
fin>>a[i];
p[i]=i;
}
while(1)
{
random_shuffle(p+1,p+n+1);
sum=0;
for(int i=1;i<=m;i++)
sum=(sum+a[p[i]])%m;
if(sum==0)
{
for(int i=1;i<=m;i++)
fout<<p[i]<<' ';
return 0;
}
}
}