#include <fstream>

using namespace std;

ifstream cin("permutari.in");
ofstream cout("permutari.out");

int v[9];
int f[9];

int n;

void perm(int k){
    int i;
    if(k==n+1){
        for(i=1;i<=n;i++)
            cout<<v[i]<<" ";
        cout<<endl;
    }
    else{
        for(i=1;i<=n;i++){
            if(f[i]==0){
                v[k]=i;
                f[i]=1;
                perm(k+1);
                f[i]=0;
            }
        }
    }
}

int main()
{
    cin>>n;
    perm(1);
    return 0;
}