#include<cstdio>
int n,be[15],ai[15];
void rec(int l)
{
    if(l>n)
    {
        for(int i=1;i<=n;i++)
        printf("%d ",ai[i]);
        printf("\n");
    }
    for(int i=1;i<=n;i++)
    if(be[i]==0)
    {
        ai[l]=i;
        be[i]=1;
        rec(l+1);
        be[i]=0;
    }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    rec(1);
    return 0;
}