黃柏青

1. #include<bits/stdc++.h>
   
2. using namespace std;
   
3. string a, b;
   
4. int main()
   
5. {
   
6.     cin>>a>>b;
   
7.     cout<<a.length()<<endl;
   
8.     cout<<b.length()<<endl;
   
9.     cout<<a<<b<<endl;
   
10.     return 0;
    
11. }

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