func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, m, flag = 0;     cin >> n >> m;     char c;     for (int i = 0; i < n; i++) {       for (int j = 0; j < m; j++) {         cin >> c;         if (c ==  B  || c ==  W  || c ==  G )           continue;         else           flag = 1;       }     }     if (flag == 0)       cout <<  #Black&White  << endl;     else       cout <<  #Color  << endl;   }   