#include <iostream>
#include <cstdio>

using namespace std;

int n;
bool folosite[10];
int solutie[10];

void afiseaza()
{
    for(int i = 0; i < n; i++)
    {
        printf("%d ", solutie[i]);
    }
    printf("\n");
}

void backtrack(int k)
{
    if(k == n)
    {
        afiseaza();
    }
    else
    {
        for(int i = 0; i < n; i++)
        {
            if(folosite[i] == false)
            {
                folosite[i] = true;
                solutie[k] = i + 1;
                backtrack(k + 1);
                folosite[i] = false;
            }
        }
    }
}

int main()
{
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);

    scanf("%d", &n);
    backtrack(0);

    return 0;
}