#include <stdio.h>
#include <string.h>

using namespace std;

int st[9],n,k,v[9];

void afisare()
{
    int i;
    for (i=1;i<=n;i++)
    printf("%d ",st[i]);
    printf("\n");
}

void back (int x)
{
    int i;
    if(x>n)
    {
        memset(v,0,sizeof(v));
        for(i=1;i<=n;i++)
        v[st[i]]++;
        int t=1;
        for(i=1;i<=n;i++)
        if(v[i]!=1)t=0;
        if(t==1)
        afisare();
    }
    else
        for (i=1;i<=n;i++)
        {
        st[x]=i;
        back(x+1);
        }
}

int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    back(1);
    return 0;
}