题解 | #字符串拼接#

#include <iostream>
#include <string>
using namespace std;

int main() {
        
    string s1, s2;
    getline(cin, s1);
    getline(cin, s2);
 
    // write your code here......
    string s3=s1+s2;
    cout<<s3<<endl;

    return 0;
}