#include <iostream>
#include <cstdio>

using namespace std;


FILE *f = fopen("permutari.in", "r"),
    *g = fopen("permutari.out", "w");

#define fs fscanf
#define fp fprintf

int n, v[10001];

bool verif(int k)
{
    for(int i = 1; i < k; i ++)
    {
        if(v[i] == v[k])
        {
            return 0;
        }
    }
    return 1;
}

void afis()
{
    for(int i = 1; i <= n; i ++)
    {
        fp(g, "%d ", v[i]);
    }
    fp(g, "\n");
}

void bk(int k)
{
    for(int i = 1; i <= n; i++)
    {
        v[k]=i;
        if(verif(k))
        {
            if(k == n)
            {
                afis();
            }
            else
                bk(k+1);
        }
        else
            continue;
    }
}
int main()
{
    fs(f, "%d", &n);

    bk(1);

    return 0;
}