#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
using namespace std;
int v[17],fol[17],n,p;
void gen(int p){
    int k,i;
    if(p>n)
        return;
    for(i=1;i<=n;++i)
        if(fol[i]==0 && i>v[p-1])
            {fol[i]=1;
            v[p]=i;
        for(k=1;k<=p;++k)
            fout<<v[k]<<" ";
        fout<<"\n";
            gen(p+1);
            fol[i]=0;}
    if(i>n)
        return;
}
int main()
{
    fin>>n;
    gen(1);
    return 0;
}