#include <iostream>
#include <cstdio>

using namespace std;

int n, sol[10], viz[10];

void wr()
{
    for(int i=0;i<n;i++)
        cout<<sol[i]<< " ";
    cout<<"\n";
}


void backt(int k)
{
    if(k==n)
        {wr();
        return;}

    for(int v=1;v<=n;++v)
    {
       if(!viz[v])
       {sol[k]=v;
        viz[v]=1;
        backt(k+1);
        viz[v]=0;
        }
    }
}



int main()
{
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);
    cin>>n;
    backt(0);
    return 0;
}