#include <bits/stdc++.h>

using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int N,st[10];
int viz[10];


inline void Back(int top)
{
    if(top == N + 1)
    {
        for(int i = 1;i < top; i++) fout << st[i] << " ";
        fout << "\n";
        return;
    }
    for(int i = 1; i <= N; i++)
        if(!viz[i])
    {
        viz[i] = true; st[top] = i;
        Back(top + 1); viz[i] = false;
    }
}


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