enum _{_;System z;int c,n,k,a;{try{for(;(c=z.in.read())>0;c=c>33?n=n*10+c-48:k++,z.out.print(a>1?a+(n=k=0)+"\n":""))for(a=1;c<11&n>0;n-=k)a*=n;}catch(Exception e){}}}