#include <bits/stdc++.h>

using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,viz[9];
int x[9];
void Print()
{
    int i;
    for(i=1;i<=n;++i)
        fout<<x[i]<<" ";
    fout<<"\n";
}
void Back(int k)
{
    int i;
    for(i=1;i<=n;++i)
        if(viz[i]==0)
    {
        x[k]=i;
        viz[i]=1;
        if(k<n)Back(k+1);
        else Print();
        viz[i]=0;
    }
}
int main()
{
    fin>>n;
    Back(1);
    return 0;
}