#include <iostream>
#include <stdio.h>
using namespace std;

int n,p[9],uz[9];

void write()
{
    for(int i=1;i<=n;i++)
        printf("%d ",p[i]);

    printf("\n");
}
void Generare(int k)
{
    if(k-1==n)
    write();
    else
        for(int i=1;i<=n;i++)
        if(!uz[i])
    {p[k]=i;uz[i]=1;
    Generare(k+1);
    uz[i]=0;}
}

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