func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     char s[101];     cin >> s;     int k = 1;     for (int i = 1; s[i] !=   0 ; ++i) {       if (s[i] == s[i - 1])         k++;       else         k = 1;       if (k == 7) break;     }     if (k >= 7)       cout <<  YES ;     else       cout <<  NO ;     return 0;   }   