#include<fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,v[9],F[9];
void sol(int n)
{
    for(int i=1;i<=n;i++)
        g<<v[i]<<" ";
    g<<"\n";
}
void back(int k)
{
    if(k>n)
        sol(n);
    else
        for(int i=1;i<=n;i++)
        {
			if (F[i] == 0){
				v[k]=i;
				F[i] = 1;
                back(k+1);
				F[i] = 0;
			}
        }
}
int main()
{
    f>>n;
    back(1);
    return 0;
}