#include <bits/stdc++.h>

using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");
#define cin fin
#define cout fout

#define N 20
int v[N], f[N], n;

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

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