#include <cstdio>

int v[10],n=0;
bool u[10];

int f(int x)
{
    int i;
    if (x==n+1)
    {
        for (i=1; i<n+1; ++i)
            printf("%d ",v[i]);
        printf("\n");
    }
    else
        for (i=1; i<n+1; ++i)
            if (u[i]==0)
            {
                v[x]=i;
                u[i]=1;
                f(x+1);
                u[i]=0;
            }
}

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