func_code_string: #include <bits/stdc++.h>   using namespace std;   string s[105];   int main() {     int n, k;     cin >> n >> k;     for (int i = 1; i <= n; i++) {       s[i] =  Aa ;       s[i][0] += i / 26;       s[i][1] += i % 26;     }     for (int i = 1; i <= n - k + 1; i++) {       string x;       cin >> x;       if (x ==  NO ) s[i + k - 1] = s[i];     }     for (int i = 1; i <= n; i++) cout << s[i] <<    ;     cout << endl;     return 0;   }   