#include <bits/stdc++.h>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
bitset <10> t;
int v[10];
int n;
void afis()
{
    for(int i = 1;i <= n;i++) g << v[i] << " ";
    g << "\n";
}
void backtraking(int k)
{
    int i;
    for(i = 1;i <= n;i++)
        if(t[i] == 0)
        {
            t[i] = 1;
            v[k] = i;
            if(k == n) afis();
            else backtraking(k + 1);
            t[i] = 0;
        }
}
int main()
{
    f >> n;
    backtraking(1);
}