#include <iostream>
#include <cstdio>
using namespace std;

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

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

void back(int k)
{
    if (k==n)
    {
        afis(k);
        return;
    }
    for (int i=1;i<=n;i++)
        if (!viz[i])
        {
            viz[i]=1;
            s[k]=i;
            back(k+1);
            viz[i]=0;
        }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    back(0);
    return 0;
}