#include <cstdio>

using namespace std;

int v[15],n;
char vaz[15];

void back(int k)
{
    if(k==n+1)
    {
        for(int i=1;i<=n;i++) printf("%d ",v[i]);
        printf("\n");
    }
    else
    {
        for(int i=1;i<=n;i++)
            if(!vaz[i])
            {
                v[k]=i;
                vaz[i]=1;
                back(k+1);
                vaz[i]=0;
            }
    }
}

int main()
{
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);
    scanf("%d",&n);
    back(1);
    return 0;
}