func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string a, b;     cin >> a >> b;     cout << a[0];     for (int e = 1; e < a.size(); e++)       if (a[e] < b[0])         cout << a[e];       else         break;     cout << b[0] << endl;     return 0;   }   