func_code_string: #include <bits/stdc++.h>   using namespace std;   string s;   int g, t, n;   int main() {     cin >> n >> n;     cin >> s;     int l = s.size();     for (int i = 0; i < l; i++) {       if (s[i] ==  T )         t = i;       else if (s[i] ==  G )         g = i;     }     if (g < t) swap(g, t);     int i;     if ((g - t) % n != 0) {       cout <<  NO ;       return 0;     }     for (i = t; i <= g; i += n) {       if (s[i] ==  # ) {         cout <<  NO ;         return 0;       }     }     cout <<  YES ;     return 0;   }   