func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     while (n--) {       string s;       cin >> s;       bool b = true, b1 = false, b2 = true, b3 = false;       int sum = 0;       for (int i = 0; i < s.size(); i++) {         sum += (int)s[i] - 48;         int x = (int)s[i] - 48;         if (x % 2 == 0) {           if (x != 0) b3 = true;           if (x == 0 && b2 == false) b3 = true;         }         if (s[i] ==  0  && b2) {           b1 = true;           b2 = false;         }       }       if (sum % 3 == 0 && b1 && b3)         cout <<  red  << endl;       else         cout <<  cyan  << endl;     }   }   