#include <stdio.h>
#include <stdlib.h>

int p[100],used[100];

void perm(int n,int lev)
{
    int i;
    if (lev==n+1)
    {
        for (i=1;i<=n;i++) printf("%d ",p[i]);
        puts("");
    }
    else
    {
        for (i=1;i<=n;i++)
        if (!used[i])
        {
            used[i]=1;
            p[lev]=i;
            perm(n,lev+1);
            used[i]=0;
        }
    }
}

int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    int n;
    scanf("%d",&n);
    perm(n,1);
    fclose(stdout);
    return 0;
}