#include <iostream>
#include <stdio.h>

using namespace std;

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


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

void bt(int k)
{
    if(k==n)
    {
        afisare();
        return;
    }
    for(int i=1;i<=n;i++)
        if(!viz[i])
    {
        sol[k]=i;
        viz[i]=1;
        bt(k+1);
        viz[i]=0;
    }

}


void citire()
{
    scanf("%d",&n);
    bt(0);
}

int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    citire();
    return 0;
}