#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int v[10],n;
bitset<10>used;
void bk(int pos){
    if(pos==n+1){
        for(int i=1;i<=n;++i)
            fout<<v[i]<<" ";
        fout<<'\n';
    }
    for(int i=1;i<=n;++i){
        if(!used[i]){
            v[pos]=i;
            used[i]=1;
            bk(pos+1);
            used[i]=0;
        }
    }
}
int main()
{
    fin>>n;
    bk(1);
    return 0;
}