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