#include<bits/stdc++.h>
using namespace std;
ifstream F("permutari.in");
ofstream G("permutari.out");
int n,i;
vector<int> v;
int main()
{
    for(F>>n;i<n;v.push_back(++i));
    do
        for(i=0;i<n;G<<v[i++]<<' ');
    while(G<<'\n',next_permutation(v.begin(),v.end()));
    return 0;
}