#include<cstdio>
int a[10],b[10];
void back(int k,int n)
{
    int i;
    if(k==n+1) {for(i=1;i<=n;i++) printf("%d ",a[i]); printf("\n");}
    else
    {
        for(i=1;i<=n;i++)
        if(!b[i])
        {
            a[k]=i;
            b[i]=1;
            back(k+1,n);
            b[i]=0;
        }
    }
}
int main()
{
    int n;
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    back(1,n);
    return 0;
}