你过关！

#include<iostream>
using namespace std;
int main(){
    long long n;
    cin>>n;
    cout<<n<<endl;
    while(n/10>=1){
        int sum=1;
        while(n){
            if(n%10!=0){
                sum*=n%10;
            }
            n/=10;
        }
        cout<<sum<<endl;
        n=sum;
    }
    return 0;
}