林羿丞

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

複製代碼