#include <cstdio>

int sol[10],n,viz[10];

void back(int k)
{
    if(k == n)
    {
        for(int i=0;i<n;i++)
            printf("%d ", sol[i]);
        printf("\n");
        return;
    }
    for(int v=1; v<=n;v++)
        if(viz[v] == 0)
        {
            sol[k]=v;
            viz[v]=1;
            back(k+1);
            viz[v]=0;
        }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    back(0);
    return 0;
}