#include <cstdio>

using namespace std;

FILE *fin=freopen("permutari.in","r",stdin);
FILE *fout=freopen("permutari.out","w",stdout);

int sol[10],n;
int viz[10];

void afisare()
{
    for(int i=1;i<=n;i++)
        printf("%d ",sol[i]);
    printf("\n");
}

void back(int p)
{
    if(p>n)
        afisare();
    else
    {
        for(int i=1;i<=n;i++)
            if(viz[i]==0)
            {
                sol[p]=i;
                viz[i]=1;
                back(p+1);
                viz[i]=0;
            }
    }
}

int main()
{
    scanf("%d",&n);
    back(1);
    return 0;
}