#include <iostream>
#include <fstream>

using namespace std;

ifstream in("permutari.in");
ofstream out("permutari.out");

int fv[12];
int v[12];

void solve(int x,int n)
{
    if(x==n+1)
    {
        for(int i=1;i<=n;i++)
        {
            out<<v[i]<<" ";
        }
        out<<'\n';
    }
    else
    {
        for(int i=1;i<=n;i++)
        {
            if(fv[i]==0)
            {
                fv[i]=1;
                v[x]=i;
                solve(x+1,n);
                fv[i]=0;
            }
        }
    }
}

int main()
{
    int n;
    in>>n;
    solve(1,n);
}