#include <iostream>
#include <fstream>
using namespace std;
int sol[100],v[100],n;
void bkt(int k)
{
    if(k>n)
        {
            for(int i=1;i<=n;i++)
            printf("%d ",sol[i]);
            printf("\n");
        }
    for(int i=1;i<=n;i++)
        {
            if(v[i]==0)
                {
                    sol[k]=i;
                    v[i]=1;
                    bkt(k+1);
                    v[i]=0;
                }
        }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    bkt(1);
    return 0;
}