#include <bits/stdc++.h>
#define oo 2000000001
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, st[15];
bool viz[15];

void Afis()
{
    for(int i = 1;  i <= n; i++)
        fout << st[i] << " ";
    fout << "\n";
}

void Back(int top)
{
    if(top == n + 1) Afis();
    else for(int i = 1; i <= n; i++)
        if(!viz[i])
        {
            st[top] = i;
            viz[i] = 1;
            Back(top + 1);
            viz[i] =  0;
        }
}

int main()
{
    fin >> n;
    Back(1);
    return 0;
}