#include <iostream>
#include <fstream>
using namespace std;
int n,x[11],f[11];
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
void s(int k)
{
    int j;
    if(k>n)
    {
        for(j=1;j<=n;j++)fout<<x[j]<<" ";
        fout<<"\n";
        return;
    }
    for(int i=1;i<=n;i++)
    {
        if(f[i]==0)
        {
            x[k]=i;
            f[i]++;
            s(k+1);
            f[i]=0;
        }
    }
}
int main()
{
    fin>>n;
    s(1);
    return 0;
}