func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string a, b;     while (cin >> a) {       bool f = false;       if (a.length() < 3) {         cout <<  No  << endl;         continue;       }       for (int i = 0; i <= a.length() - 3; i++) {         b = a.substr(i, 3);         if (b[0] !=  .  && b[1] !=  .  && b[2] !=  . ) {           if (b[0] != b[1] && b[1] != b[2] && b[2] != b[0]) {             f = true;             break;           }         }         b.clear();       }       if (f)         cout <<  Yes  << endl;       else         cout <<  No  << endl;     }     return 0;   }   