#include <stdio.h>
using namespace std;
int sol[9];
void afisare(int k)
{
    for(int i = 1; i <= k; i++)
        printf("%d ",sol[i]);
    printf("\n");
}
bool valid(int k)
{
    for(int i = 1; i < k; i++)
        if(sol[k] == sol[i])
            return false;
    return true;
}
void perm(int k, int n)
{
    if(k == n+1)
        afisare(k-1);
    else
    for(int i = 1; i <= n; i++) {
        sol[k] = i;
        if(valid(k))
            perm(k+1, n);
    }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    int n;
    scanf("%d",&n);
    perm(1,n);
    return 0;
}