func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     cin >> s;     int streak = 0;     int maxStreak = 0;     char c =  2 ;     for (int i = 0; i < s.length(); i++) {       if (c != s[i]) {         c = s[i];         streak = 0;       }       streak++;       maxStreak = streak > maxStreak ? streak : maxStreak;     }     cout << (maxStreak >= 7 ?  YES  :  NO ) << endl;     return 0;   }   