#include <stdio.h>
int n,x[10];
void back(int k)
{
    int i,j,ok;
    if(k==n+1)
    {
        for(i=1;i<=n;i++)
            printf("%d ",x[i]);
        printf("\n");
    }
    else
    {
        for(i=1;i<=n;i++)
        {
            x[k]=i;
            ok=1;
            for(j=1;j<k;j++)
                if(x[j]==x[k])
                {
                    ok=0;
                    break;
                }
                if(ok==1)
                    back(k+1);
        }
    }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    back(1);
    fclose(stdout);
    return 0;
}