#include <iostream>

  #include <string>

 #include <cmath>

     using namespace std;

int main() {

 char code[11] = {}; //注意一定要是11, ZeroJudge會在測資最後加一個結束字元 所以我一直WA

  int mappings[27] = {10, 11, 12, 13, 14, 15, 16, 17, 34, 18, 19, 20, 21, 22, 35, 23, 24, 25, 26, 27, 28, 29, 32, 30, 31, 33, 0};

  int sum = 0;

  cin >> code;

 sum += (mappings[code[0] - 65] % 10) * 9; //個位x9

          sum += mappings[code[0] - 65] / 10; //十位

    for (int i = 1; i < 9; i++) {

    sum += (code[i] - 48) * (9 - i);

 }

   sum += code[9] - 48;

if (sum % 10 == 0) {

  cout << "real" << endl;

    } else {

  cout << "fake" << endl;

    }

}