#include <fstream>
#include <bitset>
using namespace std;
ifstream cin("permutari.in");
ofstream cout("permutari.out");
int n,k,pas,s[9];
bitset <9> f;
void backtracking(int pas)
{
    if (pas==n+1)
    {
        for (int i=1; i<=n; ++i)
            cout<<s[i]<<" ";
        cout<<"\n";
        return;
    }
    for (int i=1; i<=n; ++i)
    {
        if (!f[i])
        {
            s[pas]=i;
            f[i]=1;
            backtracking(pas+1);
            f[i]=0;
        }
    }
}
int main()
{
    cin>>n;
    backtracking(1);
}