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