#include<iostream>
#include<cstdio>
using namespace std;
int n,p,st[10000],ap[10000];
void tipar(int k)
{
    int i;
    for(i=1;i<=k;i++)
    printf("%d ",st[i]);
    printf("\n");
}
void back(int k)
{
    int x;
    for(x=1;x<=n;x++)
    {
        if (ap[x]==0)
        {
            st[k]=x; ap[x]=1;
            if(k==n) tipar(k);
                    else
                        if(k<n) back(k+1);
            ap[st[k]]=0;
        }
    }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    back(1);
    return 0;
}