#include <stdio.h>
#include <algorithm>
using namespace std;
int v[20];
int n;
int main(){
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    for (int i=1;i<=n;++i)
        v[i]=i;
    //sort(v+1,v+n+1);
    do{
       for (int  i=1;i<=n;++i)
           printf("%d ",v[i]);
       printf("\n");
    }while(next_permutation(v+1,v+n+1));
}