#include <fstream>
using namespace std;
ifstream cin("permutari.in");
ofstream cout("permutari.out");
int n,v[10];
bool fr[10];
void back(int k){
    if(k==n+1){
        for(int i=1;i<=n;i++)
            cout<<v[i]<<" ";
        cout<<'\n';
    }else{
        for(int i=1;i<=n;i++)
            if(!fr[i]){
                v[k]=i;
                fr[i]=1;
                back(k+1);
                fr[i]=0;
            }
    }
}
int main()
{
    cin>>n;
    back(1);
    return 0;
}