#include <iostream>

using namespace std;

int n,viz[10],sol[10];

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

void back(int k)
{
    if(k>n)
        afisare();
    else for(int i=1;i<=n;i++)
            if(viz[i]==0)
                {
                    viz[i]=1;
                    sol[k]=i;
                    back(k+1);
                    viz[i]=0;
                }
}

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