func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     ;     int n;     cin >> n;     int k;     cin >> k;     string s;     cin >> s;     int ig = -1, it = -1;     for (int i = 0; i < n; i++) {       if (s[i] ==  G ) {         ig = i;       }       if (s[i] ==  T ) {         it = i;       }     }     if (it % k != ig % k) {       cout <<  NO  << endl;     } else {       if (ig < it) {         swap(it, ig);       }       for (int i = it; i <= ig; i++) {         if (s[i] ==  #  && (i % k) == (ig % k)) {           cout <<  NO  << endl;           return 0;         }       }       cout <<  YES  << endl;     }     return 0;   }   