#include <bits/stdc++.h>

using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
const int Nmax = 10;
int n, b[Nmax];
bool usd[Nmax];

void bck(int k)
{
    if(k == (n + 1))
    {
        for(int i = 1; i <= n; ++i)fout << b[i] << ' ';
        fout << '\n';
        return;
    }

    for(int i = 1; i <= n; ++i)
        if(!usd[i])
        {
            usd[i] = 1;
            b[k] = i;
            bck(k + 1);

            usd[i] = 0;
        }
}

int main()
{
    fin >> n;

    bck(1);
    return 0;
}