#include<stdio.h>
#define maxn 10
using namespace std;

int n;
int x[maxn],used[maxn];

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

void back(int k)
{
    if(k>n) print();
    else
     for(int i=1;i<=n;i++)
     if(!used[i])
     {
         x[k]=i;
         used[i]=1;
         back(k+1);
         used[i]=0;
     }
}

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

    scanf("%d",&n);
    back(1);

    fclose(stdin);
    fclose(stdout);
    return 0;
}