#include <cstdio>

using namespace std;

int n,viz[9],v[9];

void backt(int k)
{
    if (k>n)
    {
        for (int i=1;i<=n;++i)
            printf("%d ", v[i]);

        printf("\n");
        return;
    }
    for (int i=1;i<=n;++i)
        if (!viz[i])
        {
            viz[i]=1;
            v[k]=i;
            backt(k+1);
            viz[i]=0;
        }
}


int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    backt(1);
    return 0;
}