#include<stdio.h>
using namespace std;

int v[100],n;

void tipar(){for(int i=1;i<=n;i++)printf("%d ",v[i]);printf("\n");}

void back(int pas)
{
int i,ok,j;
if(pas==n)tipar();
else
    {
    for(i=1;i<=n;i++)
        {
        ok=1;
        for(j=1;j<=pas;j++)
            {
            if(v[j]==i)ok=0;
            }
        if(ok)
            {
            v[pas+1]=i;
            back(pas+1);
            }
        }
    }
}

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