//#include <iostream>
//#include <fstream>
#include <cstdio>
using namespace std;
int n,a[20],v[20];

void back(int x)
{

    if(x==n+1)
    {
        for(int i=1;i<=n;i++)
            printf("%d ",v[i]);
        printf("\n");
    }
    else
    {
        for(int i=1;i<=n;i++)
        {
            if(a[i]!=1)
            {
                a[i]=1;
                v[x]=i;
                back(x+1);
                a[i]=0;
            }
        }
    }

}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d", &n);
    back(1);

    return 0;
}