# include <cstdio>
# define N 10

using namespace std;

int n,k;
bool sel[N];
int sol[N];

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

void back(int k)
{
    if(k==n) afiseaza(k);
    else for(int i=1; i<=n; ++i)
        if(!sel[i])
        {
            sel[i]=true; sol[++k]=i;
            back(k);
            sel[i]=false; k--;
        }
}

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

    scanf("%d\n", &n);
    back(0);

}