#include<cstdio>

using namespace std;

int v[9],n;
bool km9[9];

void print()
{
    for(int i=0;i<n;i++) printf("%d ",v[i]);
    printf("\n");
}

void bt(int k)
{
    for(int a=1; a<=n; a++)
    {
        if(!km9[a-1]){v[k]=a;km9[a-1]=1;}
        if(k<n-1) bt(k+1);
        else print();
        km9[a-1]=0;
    }
}

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