#include "bits/stdc++.h" using namespace std; int t; int a[20]; int main(){ cin>>t; while(t--){ int n;cin>>n; int ans = 0; while(n){ a[ans++]=n%10; n/=10; } int res=0; for (int i=0;i<ans;i++) if(a[i]!=0)res++,a[i]*=pow(10,i); cout<<res<<endl; for (int i=0;i<ans;i++) if(a[i]!=0)cout<<a[i]<<' '; cout<<endl; } }