func_code_string: #include <bits/stdc++.h>   using namespace std;   const int pi = 3.14159265;   const int INF = 1 << 30;   const int maxn = 1e5;   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     int n, k;     string s;     cin >> n >> k;     cin >> s;     int t = s.find( T );     int g = s.find( G );     if (g > t) swap(t, g);     for (int i = g; i < n && i <= t; i += k) {       if (s[i] ==  # ) {         cout <<  NO  << endl;         return 0;       }       if (i == t) {         cout <<  YES  << endl;         return 0;       }     }     cout <<  NO  << endl;   }   