#include<stdio.h>
short n,k=1,s[9],i;
int main()
{
    freopen("permutari.in","r",stdin),freopen("permutari.out","w",stdout),scanf("%hd",&n);
    while(k)
    {
        s[k]++;
        for(o=i=1;i<k&&o;i++)
            if(s[k]==s[i])
                o=0;
        if(o)
            if(s[k]<=n)
                if(k==n)
                {
                    for(i=1;i<=n;i++)
                        printf("%hd ",s[i]);
                    printf("\n");
                }
                else
                    s[++k]=0;
             else
                k--;
    }
}