func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 100010;   string s;   int n;   int main() {     cin >> s;     n = s.length();     for (int i = 1; i < n - 1; i++) {       if (s[i - 1] ==  .  || s[i] ==  .  || s[i + 1] ==  . ) continue;       int c1 = s[i - 1] -  A  + 1;       int c2 = s[i] -  A  + 1;       int c3 = s[i + 1] -  A  + 1;       int t = 0;       if (c1 != c2 && c1 != c3) t++;       if (c2 != c1 && c2 != c3) t++;       if (c3 != c1 && c3 != c2) t++;       if (t == 3) {         cout <<  Yes ;         return 0;       }     }     cout <<  No ;     return 0;   }   