#include <fstream>

using namespace std;
ifstream cin("permutari.in");
ofstream cout("permutari.out");
int n, v[10];
void afis()
{
    int i;
    for(i=1;i<=n;++i)
        cout<<v[i]<<" ";
    cout<<endl;
}
int valid(int k)
{
    int i;
    for(i=1;i<k;++i)
        if(v[i]==v[k])return 0;
    return 1;
}
void back(int k)
{
    for(v[k]=1;v[k]<=n;++v[k])
        if(valid(k))
            if(k==n)afis();
            else back(k+1);
}
int main()
{
    cin>>n;
    back(1);
    cin.close();
    cout.close();
    return 0;
}